Pre-Algebra Chapter 4

1

100

Evaluate the following expression:

48div6(2)^3-16

48

200

Translate the following expression:

"The sum of seven and the quotient of a number and negative 5"

7+x/-5

300

What is the additive identity of -14?

0

400

Simplify the following expression:

-2(2n+5)-5n

-9n-10

500

Factor the following expression:

6x^3b^2-4x^3y^2

2x^3(3b^2-2y^2)

2

100

Evaluate the following expression:

(3^2-6*3)/(5^2-4^2)

-1

200

Evaluate the following expression for x=4 and y=-2:

(x^2+xy)/(3x-2y)

1/2

300

By the commutative property of addition, write an expression equivalent to the following:

-2+(x*10)

(x*10)+(-2)

400

Factor the following expression, If prime, write "Prime":

10x+25

5(2x+5)

500

Simplify the following expression:

(9^2*9^3)^2

9^10

3

100

Evaluate the following expression for a=4  b=3:

5/2*a^2-ab

28

200

Simplify the following expression:

15k-2+5k

20k-2

300

What is the Power Rule?

x^a*x^b=x^(ab)

400

Simplify the following expression:

(14+3x)-(2x+10)

x+4

500

Simplify the following expression:

90x^12-(3x^4*3x^2)^2

9x^12

4

100

Translate the following expression:

"4 more than a number"

x+4

200

Simplify the following expression:

-8d+10c+5d-5c

5c-3d

300

Simplify the following expression:

3(6+x)

3x+18

400

Simplify the following expression:

16-(8x+17)+3x

-5x-1

500

Find the quotient of  24x^15  and 6x^9 

4x^6

5

100

Translate the following expression:

"17 less than thrice a number"

3x-17

200

What property justifies the following statement:

(2+x)+5=2+(x+5)

Associative Property

300

Simplify the following expression:

-5(2y-11)

-10y+55

400

Factor the following expression, If prime, write "Prime":

64y-48z

16(4y-3z)

500

Simplify the following expression:

(56x^16)/(2x^9+3x^5*2x^4

7x^7

Final

500

Simplify the following expression:

(30x^10y^7*x^3y^7)/(3x^2y*6x^2y^4)+2/3x^6y^2*1/4x^3y^7

11/6x^9y^9