7th Math Chapter 2 Review

1

100

Simplify the following expression:

-3+6x-7+4x

10x-10

200

Simplify and write in standard form:

(18-7x)-(8x+12)

-15x+6

300

Factor if possible:

25x-55y

5(5x-11y)

400

Simplify:

(18m^12n^9)/(81m^5n^5)

(2m^7n^4)/(9)

500

Translate the following Expression:

"The amount of water in a pool plus 3 ounces per hour"

p+3z

2

100

Simplify:

4^5*4^7

4^12

200

What number makes this statement true?

x^-3*x^?=x^5

8

300

Factor if possible:

5x+17y

Prime

400

Simplify The Following Expression:

10-(3x+7)-42+7x

4x-39

500

Which property justifies the following statement: (Be Specific)

7*(x+5)=7*(5+x)

Commutative Property of Addition

3

100

Simplify:

(x^4)^4

x^16

200

Subtract  -5x^5y^6 from 12x^5y^6 

17x^5y^6

300

Translate the following expression:

"The difference of thrice a number and 2"

3x-2

400

Which property justifies the following statement:

1/2(6x+10)=3x+5

Distributive Property

500

Factor if possible:

13x+117y

13(x+9y)

4

100

Simplify:

(6x^3y^7)(5xy)

30x^4y^8

200

Simplify the following expression then factor:

5(2p+4)-13-2p+9

8(p+2)

300

What is the Additive Identity?

0

400

What number makes this statement true?

x^?/x^-4=x^9

5

500

Simplify and write in standard form:

(2x^2-10+6x-y)+(y^2+4x^2-2x+5)

6x^2+4x+y^2-y-5

5

100

Translate the following expression:

"The quotient of a number and -10"

x/-10

200

What is the multiplicative inverse of 3/4 

4/3

300

Simplify:

(-7)^5*(-7)^12

(-7)^17

400

Simplify then factor:

26x-2(3x+4y)-10y

2(10x-9y)

500

Simplify:

(2xy^4)^5

32x^5y^20

Final

500

Subtract the product of  18x^-3 and  3x^8y^3 from the quotient of   56x^10y^-4 and 7x^5y^-7 

-46x^5y^3