AnswersFL-1200710-Mathematics for College Algebra AAdding and Subtracting Polynomials

Solving Quadratic Equations: Factoring Answers

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1
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For what values of x is x2 + 2x = 24 true?

A
–6 and –4
B
–4 and 6
C
4 and –6
D
6 and 4
2
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A square picture with a side length of 4 inches needs to be enlarged. The final area needs to be 81 square inches.

A
x2 + 4x – 81 = 0
B
x2 + 4x – 65 = 0
C
x2 + 8x – 65 = 0
D
x2 + 8x – 81 = 0
3

The product of two consecutive negative integers is 600. What is the value of the lesser integer?

A
–60
B
–30
C
–25
D
–15
4

Two positive integers are 3 units apart on a number line. Their product is 108.

A
m(m – 3) = 108
B
m(m + 3) = 108
C
(m + 3)(m – 3) = 108
D
(m – 12)(m – 9) = 108
5

The product of two consecutive integers is 420. An equation is written in standard form to solve for the smaller integer by factoring. What is the constant of the quadratic expression in this equation? x2 + x + = 0

Answer not available
6

What are the solutions to the equation?x2 + 6x = 40

A
x = −10 and x = 4
B
x = −8 and x = 5
C
x = −5 and x = 8
D
x = −4 and x = 10
7

Which is a solution to (x − 2)(x + 10) = 13?

A
x = 3
B
x = 8
C
x = 10
D
x = 11
8

John has 48 square centimeter tiles he wants to use to create a mosaic. He wants the mosaic to be rectangular with a length that is 2 centimeters longer than the width.

A
w(w – 2) = 48
B
w(w + 2) = 48
C
2w(w – 2) = 48
D
2w(w + 2) = 48
10

Which is a solution to the equation?(x −2)(x + 5) = 18

A
x = −10
B
x = −7
C
x = −4
D
x = −2

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