Solving Quadratic Equations by Factoring Answers

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The profit a company makes from producing x tabletops is modeled by the equation P(x) = 480x – 2x2. For what number of tabletops does the company make a profit of $0?

A
100 tabletops
B
120 tabletops
C
240 tabletops
D
480 tabletops
2
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A rectangular field has an area of 1,764 m2. The width of the field is 13 m more than the length. What is the perimeter of the field?

A
121 m
B
144 m
C
168 m
D
170 m
3

What are the solutions to the equation (2x – 5)(3x – 1) = 0?

A
x = or x =
Option A
B
x = or x = 3
Option B
C
x = or x =
Option C
D
x = 5 or x = 1
4

The square of a number is 12 less than 7 times the number. What is the number?

A
–4 or –3
B
–4 or 3
C
–3 or 4
D
3 or 4
5

The solutions to a quadratic equation are x = 2 and x = 7. If k is a nonzero constant, which of the following must be equal to the quadratic equation?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
6

The solutions to the equation are or

Question illustration
Answer not available
7

The hypotenuse of a right triangle is 52 in. One leg of the triangle is 8 in. more than twice the length of the other. What is the perimeter of the triangle?

A
20 in.
B
26 in.
C
120 in.
D
138 in.
8

What are the solutions to the equation (x – 6)(x + 8) = 0?

A
x = –6 or x = 8
B
x = –6 or x = –8
C
x = 6 or x = –8
D
x = 6 or x = 8
9

Use the zero product property to find the solutions to the equation (x + 2) (x + 3) = 12.

A
x = –6 or x = 1
B
x = –3 or x = –2
C
x = –1 or x = 6
D
x = 2 or x = 3
10

A rectangular patio is 9 ft by 6 ft. When the length and width are increased by the same amount, the area becomes 88 sq ft. Ginger is using the zero product property to solve the equation (6 + x)(9 + x) = 88. What does the value of x in her solutions represent?

A
one possible length and one possible width
B
two possible amounts for the widths
C
two possible amounts for the lengths
D
two possible amounts by which the dimensions were changed

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Solving Quadratic Equations by Factoring Answers…