AnswersFL-1200700-Mathematics for College Algebra MISSolving Quadratic Equations: Factoring

Solving Quadratic Equations: Factoring Answers

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1
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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
2
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Which is a solution to (x − 2)(x + 10) = 13?

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

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
4

What is the positive solution of x2 – 36 = 5x?

Answer not available
5

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
6

Which is a solution to (x – 3)(x + 9) = –27?

A
x = –9
B
x = –3
C
x = 0
D
x = 6
7

The function h(t) = –16t2 + 96t + 6 represents an object projected into the air from a cannon. The maximum height reached by the object is 150 feet.

A
2 seconds
B
3 seconds
C
6 seconds
D
9 seconds
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
9

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
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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