Concept explainers
Work all of the problems in this self-test without using a calculator. Then check your work by consulting the answers in the back of the book. Where weaknesses show up, use the reference that follows each answer to find the section in the test that provides the necessary review.
Problems 2–6 refer to the following polynomials:
(A) 3x – 4 (B) x + 2
(C) 2 – 3x2 (D) x3 + 8
5. What is the degree of each polynomial?
Want to see the full answer?
Check out a sample textbook solutionChapter DPT Solutions
Pearson eText for Calculus for Business, Economics, Life Sciences, and Social Sciences, Brief Version -- Instant Access (Pearson+)
Additional Math Textbook Solutions
Differential Equations: An Introduction to Modern Methods and Applications
Mathematics for the Trades: A Guided Approach (11th Edition) (What's New in Trade Math)
Finite Mathematics with Applications In the Management, Natural, and Social Sciences (12th Edition)
Mathematics All Around (6th Edition)
Finite Mathematics (11th Edition)
MATH IN OUR WORLD (LOOSELEAF)-W/ACCESS
- For Exercises 8–10, a. Simplify the expression. Do not rationalize the denominator. b. Find the values of x for which the expression equals zero. c. Find the values of x for which the denominator is zero. 4x(4x – 5) – 2x² (4) 8. -6x(6x + 1) – (–3x²)(6) (6x + 1)2 9. (4x – 5)? - 10. V4 – x² - -() 2)arrow_forwardFor Exercises 13–20, factor each expression.arrow_forwardThe LCD of 7/6x and 8/3x+12arrow_forward
- how did you get 2x in part c?arrow_forwardIn Problems 5–12, tell whether the given rational expression is proper or improper. If improper, rewrite it as the sum of a polynomialand a proper rational expression.arrow_forwardMODULE 2: LESSON 3 ASSIGNMENT Lesson 3: Solving Radical Equations Graphically 1. Solve each equation graphically. Describe the function(s) you graphed, and explain how you determined the solution from the graph. a. 2/5x + 32 =7 32 Answer:arrow_forward
- If A = 4x2 – 3x + 2, B = 5x2- 6x – 3 and C = x2 – x – 2. Find the value of A – B +2C.arrow_forwardPerform the following operations: 2. (2a – 5a3 + 3x2 – 5)/(x + 2) 3. (4x- 2r3+ x² – 5x + 8)/(x² – 2x – 1)arrow_forwardExpand and Simplify the following expressions:a. (9x + 7) (8x + 5) b. (5x + 2) (x – 3) c. (9x – 5) (8x + 7) d. (9x – 5) (7x – 3)arrow_forward
- Elementary AlgebraAlgebraISBN:9780998625713Author:Lynn Marecek, MaryAnne Anthony-SmithPublisher:OpenStax - Rice UniversityAlgebra: Structure And Method, Book 1AlgebraISBN:9780395977224Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. ColePublisher:McDougal Littell
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill