(8th Edition) – Lial, Hornsby,
McGinnis, Daniels – Complete Test
Bank with Answers
What should the result be if you were to combine like terms? - answer-The variable must match
exactly
What is distributing? - answer-Multiply a number or numbers in all parenthesis
What does multiplying polynomials involve? - answer-Repeated distribution
Add the polynomials.
(6/7x^2 + 5x)(1/4x^2 - 4/3x) - answer-31/28x^2 - 1
Multiply
(3x + 1)(9x + 4) - answer-27x^2 + 21x + 4
Find each product
1
, (2x - 5z)(2x + 5z) - answer-4x^2 - 25z^2
(5a^3 - 2a^2 - 3a + 10) + (2a + 6) - (-a^2- a + 2) - answer-5a^3 - a^2 + 14
(-4x + y)(5x - 3y) - answer--20x^2 + 17xy - 3y^2
(6x - 7y)^2 - answer-36x^2 - 84xy + 49y^2
The area of the base of a rectangular box has the measure of 2x^2 + 8x + 8 cm2. The height of
the box measures 3x + 6 cm. Find the volume of the box. - answer-6x^3 + 36x^2 + 48x + 72
What do you ask yourself when you divide polynomials? - answer-How many terms am I
dividing by?
How do you divide by one term? - answer-Put each term over the divisor and reduce each
When does long division for more than one term work? What is it important for? - answer-
Every time, but is especially important for nonlinear terms or if a number is not equal to 1
6b^4 -15b^3 - b^b^2 - answer-2b^2 - 5b - 1/3
(x^3 - 4x^2 - 2) % (x - 5) - answer-x^2 + x + 5 + 23 / x - 5
6x^3 - 5x^2 - x + 1 - answer-3x^2 - 4x + 2 - 8/2x + 1
2