# online math discussion questions

f(t + 1). Find an equation of the plane consisting of all points that are equidistant from (5, 3, -4) and (3, -5, -2), and having -2 as the coefficient of x. In this discussion forum, I want you to discuss the following about math anxiety: • How do you define math anxiety? Last Post by dave morgan on 12/07/20 1:25 PM . Calculate the average value of f(x) = 5 x sec^2 x on the interval [0, pi/4], For u = e^x cos y, (a) Verify that {partial^2 u} / {partial x partial y} = {partial^2 u} / {partial y partial x} ; (b) Verify that {partial^2 u} / {partial x^2} + {partial^2 u} / {partial y^2} = 0. WHOLE NUMBERS AND PLACE VALUE. Compute the curvature kappa(t) of the curve r(t) = (5sin t)i + (5sin t)j + (-4cos t)k. Find the tangential and normal components of the acceleration vector. I have two U.S. coins that total 30 cents. 2. B) Find the Taylor polynomial of order 3 generated by f at a. f(x) = 1/(x + 9), a = 0. ESL Conversation Lesson Questions: Free classroom handouts. Find the integral integral {1 + cos x} / {sec x} dx. Classify the following series as absolutely convergent, conditionally convergent, or divergent. Grade 4 and 5 maths questions and problems to test the understanding of maths concepts and procedures are presented. Good questions are like kindling. Free, unlimited access to lessons. Read this book using Google Play Books app on your PC, android, iOS devices. The cost of buying a tall building is one hundred twenty one million dollars. They were created by Khan Academy math experts and reviewed for curriculum alignment by experts at both Illustrative Mathematics and Khan Academy. One day, he noticed that the animals had a total of 12 heads and 44 feet. Grade 10 Math made completely easy! Give the maclaurine expansion. The length of side BC is 15.2 cm. a. Sum of ((x - 6)^(2n))/(36^n) from n = 0 to infinity. ), Find the average rate of change of the function over the given intervals. 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Sciences, Culinary Arts and Personal (Give your answer in interval notation.). A Norman window has the shape of a rectangle surmounted by a semicircle as in the figure below. Write the given number in the form a + bi. Hot New Top Rising. a. One is not a nickel. Math Questions and Answers from Chegg. (Justify your answer.) Sum of (5*(factorial of n)^2)/(factorial of 2n) from n = 1 to infinity. Show that the following series is divergent. Hard and tricky algebra word problems D is a point on side CA, and BD has length 18.4 cm. Note that there are more items in the right column than on the left, so some answers will not be used. By Rachel Fuhrman. To watch Team Sanders Vs. You can ask any math question and get expert answers in as little as two hours. Viz tie break question, hard sums. Before I stepped into the classroom as an educator for the first time, I had fantasized about what it would be like. While you’ll always use maths during your day-to-day, it will also help to open doors. While there are fewer written notes for these topics, you still have many videos and practice questions you can use for your review. Does the following series converge or diverge? He would like to determine whether there are more units produced on the night shift than on the day shift. 12A + 8B ? A firm production function is given by q = f(k,l) = k�l. Who are some modern male mathematicians? Calculators and Converters . Suppose f(x, y) = xy - 6. Consider the vector field F(x, y, z) = 2xye^z i + yze^x k (a) Find the curl of the vector field. Match each concept on the left-hand side with the phrase on the right that fits best. Introduction to scatter plots: Data and modeling Interpreting scatter plots: Data … A discussion question that is truly great is challenging and inspires students to think critically and respond with well thought out answers. For the curve given by r(t) = (-2sin t, 4t, 2cos t), A) Find the unit tangent T(t). Find the values of the parameter r for which y = e^(rx) is a solution of the equation y double prime + 2*y prime - 3y = 0. Find equations for the following: (a) The plane which passes through the point (0,0,1) which is also orthogonal to the two planes x=2 and y=19. f(u, v) = (4u^2 + 3v^2) e^(uv^2). Write 73 million, 5 thousand, 46 in standard form. Find the first three nonzero terms of the Taylor series for the function f(x) = sqrt(4x - x^2) about the point a = 2. Earn Transferable Credit & Get your Degree. Math. b. irrational number. Stuck on a tricky math problem that you can't seem to work through? Because I am still trying to improve Math Talk in my classroom daily, I … Our math question and answer board features hundreds of math experts waiting to provide answers to your questions. Solve the given boundary-value problem. Public and private schools may benefit too for very advanced or below standard students. Limit as y approaches 1 of (1/y - 1/1)/(y - 1). You are allowed to answer only once per question. Sum of ((x - 6)^n)/(factorial of (2n)) from n = 1 to infinity. Evaluate \int_0^{\pi} \sin^2 mx dx for m an arbitrary integer. Posted by 12 hours … y= 1/2(e^x+e^-x) and interval [0,2]. This means that I have omitted questions that are no longer relevant to primary maths and I have added extra questions to ensure that the newer topics are adequately covered. Match each of the following with the correct statement. Sum of (2^k (x - 3)^k)/(k^2) from k = 0 to infinity. Determine if this series converges conditionally, absolutely or diverges sum_{n=1}^{\infty } frac{(-1)^{(n+1)}}{n+3}. Rising. For the function f(x, y) = 5y^2 + 3x, find a point in the domain where the value of the function is between 3 and 3.100000000. Practice, Practice & More Practice. Question by izzythepush Posted 10/20/20 4:23 PM. For each F(x,y) = 0, (i) find \frac{dy}{dx} (ii) find the points for which \frac{dy}{dx} is not defined (a) 2y+3x = 0 (b) 2x^2 + y^2 = 0 (c) x^2y + e^y + xy = 0 (d) \ln y + e^x + 5xy^2 = 0. y = 7/u and u = sqrt(x) + 7. r(t) = (t^2, (2/3)t^3, t); (4, -16/3, -2). Find all solutions of the equation in the interval [0, 2pi). The minimum value is 42 and the maximum value is 129. f double prime (x) = 2e^x + 3sin x, f(0) = 0, f(pi) = 0. Determine an arc length parametrization of r(t) = (3t^2, 4t^3). Solve the differential equation 2y'' -5y' -3y =0 with the initial conditions y(0) = 1, y'(0) =10, Find curl F(x,y,z) , when F(x,y,z) = x^3yz i +xy^3z j + xyz^3 k, Evaluate the integral \int \frac{1}{64x^2-9} \,dx. Then, what is the possible coordinate(s) for K? r(t) = (10 + ln(sec \ t)) \ i + (8 + t) \ k, \frac {-\Pi}{2} < t < \frac {\Pi}{2} \\r(t) = (3 + 9 \ cos \ 2t) \ i - (7 + 9 \ sin \ 2t) \ j + 2 \ k, Explain: I study engineering but I have a problem with mathematics, always when it come to mathmatic I struggle how to overcome such a problem. Find the sum of x^3 y + x^2 y^2 - 3 x y^3 and x^3 - 3 x^3 y + y^3 + 4 x y^3. \int (x - 1)(x + 1)^{\frac{1}{2}}dx, Find the general indefinite integral : \int (\frac{1-sin^{3}t}{sin^{2}t}) dt, Determine the indefinite integral and check your work by differentiation: \int \sin(x)(\cot(x) + \csc(x)), Evaluate the definite integral: integral_2^3 dx/x^2 - 1, Integrate the function: sqrt(1 + (x^2/9)), Find the integral of the given function: tan^3 2x sec 2x. 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If sin θ = cos θ, in which quadrants may angle θ terminate? sum_{n=0}^{infinity} (- 1)^n / (2 n + 1)^2. \int \frac {x}{(x^2 + 9)^{3/2}} \ dx, Find the indefinite integral: integral (x/sqrt(1 - x^2)) dx. Find the local maximum and local minimum values and saddle point(s) of the following function. Test the following series for convergence or divergence. Consider the vector field F(x,y,z)= \langle yz,-8xz,xy \rangle . The students who raise their hands to my questions all exhibit some form of math anxiety. Solve the following differential equation: y double prime + 4y = sin^3(x). f(x) = \frac{(x^3 - 3)}{(x^2 - 4)}. Compute an arc length parametrization of the circle in the plane z = 9 with radius 4 and center (1, 4, 9). Find the values of x for which the series \sum_{n=1}^{\infty} \frac{x^n}{9^n} converges. In addition to all the math topics listed above, IB Mathematics HL students study just one of the following four options listed below. Posted by 5 years ago. 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Grade 7 math printable worksheets, online practice and online tests. Math. Maths Problems, Questions and Online Tests. As middle and high school math students talk through problems, they build camaraderie and gain greater conceptual understanding. save. We provide internet TV for watching American Football Playoffs – P – B Weekend on your pc, laptop, iphone, ipad etc. {2(x+5)} / {(x + 5)(x - 2)} = {3(x - 2)} / {(x - 2)(x + 5)} + 10 / {(x + 5)(x - 2)}. \frac{(9a^{3}b^{4})^{1/2}}{15a^{2}b}. They made some interesting observations. Construct a sample (with at least two different values in the set) of 4 measurements whose mode is smaller than at least 1 of the 4 measurements. A primary outcome starting early in the semester was that the online discussions helped to build a sense of community among the PSTs and enhanced opportunities for reflection by providing a forum for dialog that might not have occurred in a face-to-face discussion. Wel... What is the HCl of 2.00 x 10 squared mL of 0.51? Your kid will identify quantities as fast as possible to serve hungry customers. The slope of the line containing points Y and Z is ____. What unique role does psychology play in systems biology? A comprehensive database of more than 42 5th grade math quizzes online, test your knowledge with 5th grade math quiz questions. os... Find c1 and c2 so that y(x)=c1sinx+c2cosx will satisfy the given conditions 1. y(0)=0, y'(pi/2)=1 2.y(0)=1, y'(pi)=1. Sum of ((-1)^n)/(6n^5 + 6) from n = 1 to infinity. Below are some question types that will help generate real discussion. Description Discussion prompts are the written “springboard” from which online discussions are launched and are essential to encourage shared understanding (Du, Zhang, Olinzock, & Adams, 2008). Find a function f such that F = \nabla f and f(0,0,0) = 0 b. The chemistry teacher at Stevenson High School is ordering equipment for the laboratory. Evaluate: 1) 8^{1 / 2} * 8^{-5 / 2} 2) (3^{5 / 3} / 3^{2 / 3}). How many classes would you suggest? Test the following series for convergence or divergence. Find y_c and y_p by solving the differential equation x^2y'' + 10xy' + 8y = 0 using Cauchy Euler's rule. The amount of same paint that is required to cover the walls of the den is 91x. determine the truth value of the statement . Multiply a certain number by 4, then add 7 to get 31. Determine whether the series converges absolutely, converges conditionally, or diverges: Sum of ((-1)^(n + 1) factorial of n)/(n^n) from n = 1 to infinity. The Canadian Adult Achievement Test (CAAT), which was developed by Creative Organizational Design, is a test designed to appraise an adult’s academic level. Find the average value of the function h(x) = 6\cos^4 x \sin x on the interval [0, \pi], Find interval of convergence and radius of convergence of the series \sum_{n=1}^\infty \frac{x^n}{9n-1}. Suppose, C is any curve from (0,0,0) to (1,1,1),... Find the point on the line 5x+5y+2=0 which is closest to the point (2,4). (Round your answer to three decimal places.) P = a + 3b + 2c, for a, Simplify: (2x^3 - 5x^2-5x) + (5x^3 - x^2 +4x+4), Solve for y: 4 + \frac{6}{y} = \frac{5}{2}, Solve: \ln (4x - 2) - \ln 4 = - \ln (x-2), Simplify: \frac{\frac{4}{x} - \frac{4}{y}}{\frac{3}{x^2} - \frac{3}{y^2}}, Simplify the following expression. Kids from pre-K to 8th grade can practice math skills recommended by the Common Core State Standards in exciting game formats. (Your answers should include the variable x when appropriate.). Our online business math trivia quizzes can be adapted to suit your requirements for taking some of the top business math quizzes. Find the function represented by the following series and find the interval of convergence of the series. Our online 5th grade math trivia quizzes can be adapted to suit your requirements for taking some of the top 5th grade math quizzes. Triangle ABC is a right-angled triangle. Go ahead and ask it. A set of grade 4 math questions on operations on numbers, converting units, algebraic expressions, evaluation of algebraic expressions, problems are presented along with their answers at the bottom of the page. Hot . 0 . Learn to approach problems logically and creatively, no matter where you’re starting from. \frac{(\tan^2(x) - \cot^2(x))}{(\tan(x) - \cot(x))} = \csc(x) \sec(x), Find the indefinite integral and check the result by differentiation: integral (t^2 - cos t) dt, Find the indefinite integral and check the result by differentiation: integral (8x^3 - 9x^2 + 4) dx. Forums: Viz Comic, Maths, Puzzles. If \gamma(\frac{8}{3}) = a find \gamma(\frac{1}{3}). 0 . Determine if the following series is convergent or divergent. Skeptics of online learning argue it’s difficult to replicate their value online -- but Speer isn’t a skeptic. Integral of (t^2 multiplied by sin(Bt) multiplied by dt), Find the first four nonzero terms of the given taylor series. Free Online GED ® Sample Tests Try a free sample test in each of the GED subjects. Express the following in radians: 1025 degrees. NOTE: write you... What does a graph showing the growth of forest volume over time looks like 1) A U shape 2) An inverted U shape 3) An S shape 4) A pyramid 5) A straight line Maximizing the profit of timber harves... ! Though Speer questions the utility of discussion boards, she doesn’t think they should be discarded. Find the derivative of the function: y = (1/(3x)^-2) - 5 cos x, Find the derivative of the function: f(x) = 6(sqrt(x)) + 5 cos x, Find the derivative of the function: y = x^2(2x^2 - 3x), Find the derivative of the function: f(x) = x^2 + 5 - 3x^-7. Find the vectors T, N, and B at the indicated point. Evaluate the integral: integral of 2sec^4 x dx. Determine if: A) The series is absolutely convergent. A(v) = v(2/3) times (2v2 + 1 - v-2), Find the second derivative of the function. Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Home Questions Tags Users Unanswered How can I write a math formula in a post? Consider the vector field F(x,y,z)=(4z+3y) i+(5z+3x) j+(5y+4x) k . Whether it’s one-on-one discussion so students can ask a question privately, or small or large group discussion, you can keep those important academic and social emotional conversations happening outside of the traditional classroom setting. Sum of (2n^2 + 3)/(5n^2) from n = 1 to infinity. Our math question and answer board features hundreds of math experts waiting to provide answers to your questions. A) (3, 3*sqrt(3), 6*sqrt(3)) B) (0, 5, 5), Find velocity and position that has the acceleration a(t)= \langle 3e^t, 18t,2e^{-t} \rangle and specified velocity and position conditions: v(0)=(3,0,-6) \enspace and \enspace r(0)=(6,-1,2). Team Rice live match you need to buy TV software clicking the link given before. Use your calculator wisely. Find the interval of convergence. Sum of (x^n)/(n*10^n) from n = 1 to infinity. \int 6^{\sin x}\cos xdx, Evaluate the integral. Name the test used to determine your answer. Grade 4 Math Questions With Answers. 18 b. What are some examples of Godel's incompleteness theorem in biological systems? Find the radius of convergence of the following power series. Find T(t) \enspace and \enspace N(t) for the curve r(t) = 4t^2 i + 6t j . Don't panic - Study.com has the solutions to your toughest math homework questions explained step by step. If \sin \theta = \frac{5}{13}, theta lies in quadrant 2, find \tan 2\theta. B) Find the unit normal N(t). \int x^{\frac{7}{8}} dx, Evaluate the indefinite integral. The Discussion, 9 Apr 09 April 2020 - After Math of Lockdown - The Discussion Part 2 -Ml Arafat Hatia and Ml Salim Karim If it is convergent, evaluate it. English lesson on MATHEMATICS. Exercise 3.5.1 : On the space of nonnegative integers, which of the following functions are distance measures? Our online math trivia quizzes can be adapted to suit your requirements for taking some of the top math quizzes. Log In:: Register:: Search. Evaluate the expression ((-1)^2 + 11^2)(11^2 - {(-7)}^2). A) Find the limit: limit as x approaches infinity of arctan(e^x). Math. How many molecules (not moles) of NH3 are produced from 3.86 \times 10^{-4} g of H2? Math Solutions Professional Learning Team, Data Analysis: A Lesson with Seventh and Eighth Graders. What is the value of the Lagrange multiplier ? Find an equation for the plane consisting of all points that are equidistant from the points (-5, 4, 3) and (1, 6, 7). Math. 2021 Math Solutions | A division of Houghton Mifflin Harcourt | 877.234.7323. Case study Case studies are an ideal way to illuminate the practical consequences of different concepts. This model assumes that populations are competing for a single limiting resource and reproduce at discrete moments in time. Solve the differential equation (\sin 2x)y'=e^{5y}\cos 2x. Compute the arclength function s(t) (with initial point t=0 ). Eliminate the parameter t to determine a Cartesian equation for: x = t^2, y = 8 + 4t. Find an arc length parametrization of r(t)= \langle e^t\sin(t),e^t\cos(t),6e^t \rangle. What is the number? What is the difference between a number and 20 more than that number? If f(2) = 14, f prime is continuous, and integral from 2 to 5 of f prime (x) dx = 20, find the value of f(5).

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