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

Solving Quadratic Equations: Factoring Answers

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–20–121220

A
–20
B
–12
C
12
D
20
3

–20 or 3–12 or –5 –3 or 205 or 12

A
–20 or 3
B
–12 or –5
C
–3 or 20
D
5 or 12
4

–5–335

A
–5
B
–3
C
3
D
5
5

Which statement is true about the equation (x – 4)(x + 2) = 16?

A
The equation x – 4 = 16 can be used to solve for a solution of the given equation.
B
The standard form of the equation is x2 – 2x – 8 = 0.
C
The factored form of the equation is (x + 4)(x – 6) = 0.
D
One solution of the equation is x = –6.
6

What are the solutions of the equation 4x2 + 3x = 24 – x?

A
–3, 2, or 4
B
–3 or 2
C
–2, 3, or 4
D
–2 or 3
10

A rectangular piece of paper has a width that is 3 inches less than its length. It is cut in half along a diagonal to create two congruent right triangles with areas of 44 square inches. Which statements are true? Check all that apply.The area of the rectangle is 88 square inches.The equation x(x – 3) = 44 can be used to solve for the dimensions of the triangle.The equation x2 – 3x – 88 = 0 can be used to solve for the length of the rectangle.The triangle has a base of 11 inches and a height of 8 inches.The rectangle has a width of 4 inches.

A
The area of the rectangle is 88 square inches.
B
The equation x(x – 3) = 44 can be used to solve for the dimensions of the triangle.
C
The equation x2 – 3x – 88 = 0 can be used to solve for the length of the rectangle.
D
The triangle has a base of 11 inches and a height of 8 inches.
E
The rectangle has a width of 4 inches.
11

Complete the equivalent equation for –7x – 60 = x2 + 10x.

Answers:
(x + )(x + ) = 0:12
x =:–12 or –5

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