Unit 7 Review

Random 1

100

Which are the Zeros of the function? # 15 

f(x)=(x²-2x-24)(x+5)

x= -5

x=-4

x=6

200

Which expression is equivalent to the equation? # 16

(2r+s)(r+3s)

2r²+7sr+3s²

300

How can this be translated in words? # 17 

n/2-5

A-5 less than the quotient of a number and 2 

400

What is the value of 1/3x²-14 when x=9

13

500

Which expression represents the are of a square with a side length of 8x? # 20

64x²

Binomials

100

Which choice is equivalent to this expression?

(x+3)(x+1)

x²+4x+3

200

Which is equivalent to this expression?

(x+9)(7+x)

x²+16x+63

300

Which is equivalent to this expression?

(x-3)(x+6)

x²+3x-18

400

Which is equivalent to this expression?

(x+5)(x-4)

x²+x-20

500

Which is equivalent to this expression?

(x+3)(12-x)

-x²+9x+36

Polynomials

100

What is the simplified form of this expression?

(-4x²+9x³+2x)+(-6x³ +7x-2)

    

3x³-4x²+9x-2

200

Which choice is equivalent to this expression?

-2a(6a+1)

-12a²-2a

300

Which choice is equivalent to this expression?

-5(8a-2)

-40a+10

400

What is the simplified form of this expression?

(-6a⁵+3a³-2a²+1)-(4a²+3a-7)

-6a⁵+3a³-6a²-3a+8

500

What is the factor of the function?

f(x)=3x²-17x+20

3x-5

GCF

100

What does GCF Stand for? 

Greatest Common Factor

200

 Solve for GCF

12a-27

3(4a-9)

300

Solve for GCF

30m⁴n³-12m³n²+6m²n

6m²n(5m²n²-2mn+1)

400

Solve for the difference in square

a²-25b²

(a+5b)(a-5b)

500

Solve for GCF

5x²y-15xy-140y

5y(x²-3x-28)

5y(x-7)(x+4)

Random 2

100

Which is equivalent to the expression?

(x-11)(8-x)

-x²+19x-88

200

If the area of a circle is 16 pi square units, what is the radius of the circle? a=pi r ²

4 units 

300

# 12 on your paper

Where did martin make a mistake?

Between Steps 2 and 3 

400

Which equation represents the new area A of the enlarged garden? # 13

A=(w+3)(w+5)

500

What are the values of the equation?

2/3x²=54

x=-9