EBK MATHEMATICS FOR ELEMENTARY TEACHERS
5th Edition
ISBN: 9780134506609
Author: Beckmann
Publisher: PEARSON CUSTOM PUB.(CONSIGNMENT)
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Chapter 8.6, Problem 16P
To determine
To discuss: Regarding the decimal representation of
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Refer to page 90 for a problem requiring Fourier series expansion of a given periodic function.
Instructions: Clearly outline the process of finding Fourier coefficients. Provide all calculations,
integrals, and final expansions.
Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qoHazb9tC440 AZF/view?usp=sharing]
Refer to page 93 for a problem involving Cauchy-Euler differential equations.
Instructions: Solve the given differential equation step-by-step, showing the characteristic roots
and general solution clearly.
Refer to page 80 for a proof of convergence for a given series using the ratio test.
Instructions: Clearly apply the ratio test. Show all steps and provide justification for convergence
or divergence.
Link: [https://drive.google.com/file/d/1wKSrun-GlxirS3IZ9qoHazb9tC440 AZF/view?usp=sharing]
Refer to page 94 for a problem requiring the numerical solution of an ODE using the Runge-
Kutta method.
Instructions: Solve step-by-step, showing iterations, step sizes, and calculations clearly.
Link: [https://drive.google.com/file/d/1wKSrun-GlxirS3IZ9qo Hazb9tC440AZF/view?usp=sharing]
Refer to page 82 for a double integral problem. Convert the integral into polar coordinates and
evaluate it step-by-step, clearly showing all transformations and limits.
Instructions: Focus only on the problem. Provide all steps, including the coordinate
transformation, Jacobian factor, and the integral evaluation. Avoid irrelevant details.
Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qoHazb9tC440 AZF/view?usp=sharing]
Chapter 8 Solutions
EBK MATHEMATICS FOR ELEMENTARY TEACHERS
Ch. 8.1 - Johnny says that 3 is a multiple of 6 because you...Ch. 8.1 - Manuela is looking for all the factors of 90. So...Ch. 8.1 - Show how to find all the factors of the following...Ch. 8.1 - a. Write a word problem such that solving your...Ch. 8.1 - a. Write a problem about a realistic situation...Ch. 8.1 - Solve problems (a) and (b), and determine whether...Ch. 8.1 - a. If A and how are answer, B are counting numbers...Ch. 8.1 - * If A, B, and C are counting numbers and both A...Ch. 8.2 - Describe a way that the children in Mrs. Verner’s...Ch. 8.2 - Explain why an odd counting number can always be...
Ch. 8.2 - For each of the two designs in Figure 8.5, explain...Ch. 8.2 - Without determining the number of dots in the...Ch. 8.2 - If you add an even number and an even number, what...Ch. 8.2 - If you multiply an odd number and an odd number,...Ch. 8.2 - * If you multiply an even number by 3 and then add...Ch. 8.2 - * If you multiply an odd number by 3 and then add...Ch. 8.2 - * Suppose that the difference between two counting...Ch. 8.2 - * Suppose that the difference between two counting...Ch. 8.2 - * If you add a number that has a remainder of 1...Ch. 8.2 - * If you multiply a number that has a remainder of...Ch. 8.3 - Use the divisibility test for 3 to determine...Ch. 8.3 - According to the divisibility test for 10, to...Ch. 8.3 - According to the divisibility test for 5, to...Ch. 8.3 - Beth knows the divisibility test for 3. Beth says...Ch. 8.3 - What are all the different ways to choose the ones...Ch. 8.3 - Sam used his calculator to calculate...Ch. 8.3 - Explain how to modify the divisibility test for 3...Ch. 8.3 - For each of the numbers in (a) through (d), verify...Ch. 8.3 - a. Give a clear and complete explanation for why...Ch. 8.3 - a. Find a divisibility test for 25; in other...Ch. 8.3 - a. What are all the different ways to choose the...Ch. 8.3 - a. Find a divisibility test for 8. In other words,...Ch. 8.3 - a. Is it true that a whole number is divisible by...Ch. 8.3 - * Investigate the questions in the following parts...Ch. 8.3 - a. If you add 2 consecutive counting numbers (such...Ch. 8.4 - For which counting numbers, N, greater than 1, is...Ch. 8.4 - Use trial division to determine whether 251 is...Ch. 8.4 - For each of the numbers in (a) through (d),...Ch. 8.4 - Given that 792=23.32.11, find all the factors of...Ch. 8.4 - Without calculating the number 1923+1, explain why...Ch. 8.4 - Following Euclid’s proof that there are infinitely...Ch. 8.5 - Why do we not talk about a greatest common...Ch. 8.5 - Show how to use the definition of GCF to determine...Ch. 8.5 - Show how to use the definition of GCF to determine...Ch. 8.5 - Show how to use the definition of LCM to determine...Ch. 8.5 - Show how to use the definition of LCM to determine...Ch. 8.5 - Show how to use the slide method to determine the...Ch. 8.5 - Show how to use the slide method to determine the...Ch. 8.5 - Show how to use the slide method to determine the...Ch. 8.5 - Find the GCF and LCM of 25.32.5 and 23.34.7...Ch. 8.5 - Find the GCF and LCM of 34.52.75.11 and 37.53.73...Ch. 8.5 - Describe in general how to find the GCF and LCM of...Ch. 8.5 - Show all the details in the following...Ch. 8.5 - Show all the details in the following...Ch. 8.5 - Write a word problem that requires calculating the...Ch. 8.5 - Write a word problem that requires calculating the...Ch. 8.5 - Suppose you are teaching students about least...Ch. 8.5 - Kwan and Clevere are playing drums together,...Ch. 8.5 - At the zoo, the birds must be fed 12 cups of...Ch. 8.5 - There are periodical cicadas with 13-year life...Ch. 8.5 - In a clothing factory, a worker can sew 18 Garment...Ch. 8.5 - Keiko has a rectangular piece of fabric that is 48...Ch. 8.5 - A large gear will be used to turn a smaller gear....Ch. 8.5 - A large gear is used to turn a smaller gear. The...Ch. 8.6 - Use the standard division algorithm to determine...Ch. 8.6 - Use the standard division algorithm to determine...Ch. 8.6 - Use the standard division algorithm to determine...Ch. 8.6 - Write the following decimals as fractions. Explain...Ch. 8.6 - What is the 100th digit to the right of the...Ch. 8.6 - What is another way to write 1.824 as a decimal?...Ch. 8.6 - Without actually determining the decimal...Ch. 8.6 - Give an example of an irrational number, and...Ch. 8.6 - In your own words, prove that the square root of 5...Ch. 8.6 - Carl’s calculator displays only 10 digits. Carl...Ch. 8.6 - Fran has a calculator that shows at most 10...Ch. 8.6 - Tyrone used a calculator to solve a problem. The...Ch. 8.6 - * Show how to find the exact decimal...Ch. 8.6 - Prob. 14PCh. 8.6 - Prob. 15PCh. 8.6 - Prob. 16PCh. 8.6 - Prob. 17PCh. 8.6 - a. Use a calculator to calculate the decimal...Ch. 8.6 - a. Use a calculator to calculate the decimal...Ch. 8.6 - a. Suppose that a fraction AB where A and B are...
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- Refer to page 81 for a proof involving the uniqueness of solutions for a given ordinary differential equation. Instructions: Focus strictly on proving the uniqueness theorem using necessary conditions. Justify all intermediate steps. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qoHazb9tC440AZF/view?usp=sharing]arrow_forwardRefer to page 88 for a problem on solving a Laplace equation in polar coordinates with boundary conditions. Instructions: Solve step-by-step using separation of variables. Clearly show transformations and solutions. Avoid irrelevant details. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS3IZ9qoHazb9tC440AZF/view?usp=sharing]arrow_forwardRefer to page 89 for a line integral problem. Apply Green's Theorem to convert the line integral into a double integral. Solve it step-by-step, showing all calculations and transformations. Instructions: Outline the problem clearly. Focus on applying Green's Theorem correctly and show all double integral calculations. Avoid irrelevant content. Link [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qoHazb9tC440 AZF/view?usp=sharing]arrow_forward
- On page 85, a power series is given. Use the root test to prove its convergence or divergence and determine its radius of convergence. Instructions: Solve step-by-step. Apply the root test rigorously, and show all intermediate calculations. Avoid irrelevant details. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS3IZ9qoHazb9tC440AZF/view?usp=sharing]arrow_forwardRefer to page 77 for a problem requiring the Taylor series expansion of a function about a given point. Derive the series up to the specified order, showing all intermediate steps. Instructions: Focus on deriving the Taylor series. Clearly outline all steps, including finding derivatives and substituting into the series formula. Show detailed calculations. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qo Hazb9tC440 AZ F/view?usp=sharing]arrow_forwardRefer to page 81 for a proof of the Cauchy-Schwarz inequality in vector spaces. Provide a detailed, step-by-step proof, including all intermediate reasoning. Instructions: Focus strictly on proving the inequality. Clearly outline each step and justify all intermediate results. Irrelevant content is not accepted. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS3IZ9qoHazb9tC440AZF/view?usp=sharing]arrow_forward
- On page 89, there is an initial value problem (IVP) for an ordinary differential equation. Solve the IVP using the Laplace Transform method. Instructions: Solve step-by-step using Laplace Transforms. Show all transformations, algebraic manipulations, and the final inverse transform with clear calculations. Irrelevant explanations are not allowed. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS3IZ9qo Hazb9tC440 AZF/view?usp=sharing]arrow_forwardOn page 98, an eigenvalue problem for a differential operator is provided. Solve for the eigenvalues and eigenfunctions using boundary conditions. Instructions: Stick to solving the problem. Provide step-by-step calculations for determining eigenvalues and corresponding eigenfunctions. Avoid irrelevant details. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS3IZ9qoHazb9tC440AZF/view?usp=sharing]arrow_forwardRefer to page 70 for a non-exact differential equation. Solve the equation by finding a suitable integrating factor. Verify the exactness after applying the factor and determine the solution step-by-step. Instructions: Provide only relevant content. Solve step-by-step, clearly showing how the integrating factor is found and applied. All calculations must be detailed and correct. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS3IZ9qoHazb9tC440AZF/view?usp=sharing]arrow_forward
- Refer to page 92 for a problem involving the stability of a fixed point in a nonlinear system of ODES. Linearize the system near the fixed point and determine its stability using eigenvalues of the Jacobian matrix. Instructions: Focus strictly on the stability analysis. Clearly outline the steps, including finding the Jacobian, determining eigenvalues, and concluding stability. Show all calculations. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS3IZ9qoHazb9tC440AZF/view?usp=sharing]arrow_forwardRefer to page 75 for a problem involving the orthogonality of sine and cosine functions over a given interval. Provide a detailed proof by evaluating the appropriate integrals. Instructions: Provide step-by-step calculations showing the orthogonality proof clearly. Avoid unnecessary content and ensure every step is justified. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qoHazb9tC440AZF/view?usp=sharing]arrow_forwardLet f(z) be the function defined by the formula 1 f(z) = (2-1)(x-2)² (i) Find the Laurent series of f(z) about the point z = 1 that is valid in the region {z = C: |z − 1| > 1}. (ii) Find the Laurent series of f(2) about the point z = region { € C: 0 < | z − 2| < 1}. 2 that is valid in thearrow_forward
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