Mrs. DeMarco Review for Midterm

Expressions

100

16x + 2x

18x

200

12x - x

11x

300

16x + 20y - 6x

10x  + 20y

400

16x + 25y - 10y - 16x

15y

500

-2(x - 4) - 6 (x -10)

-8x +68

Inequalities

100

2x > 4

x> 2

200

y /4 <  -10

y < -40

300

3x + 3 >  -9

x > -4

400

-2x + 6 <  10

x> -2

500

-12 - 4x + 10x < 60

x < 12

Laws of Exponents

100

x⁵ ( x²)

x⁷

200

c¹⁰/ c⁵

c⁵

300

10x³ ( 5x⁶)

50x⁹

400

-10m¹²/ 2m

-5m¹¹

500

4c⁰

4

Properties

100

a + b = b +a

communtative

200

-2 (x +y ) = - 2x + -2y

distributive

300

4(1) = 4

multiplicative Identitiy

400

4(0) = 0

property of zero

500

(5 + 6) + 7 =  5 + (6 + 7)

associative

Factor

100

5x + 5

5(x + 1)

200

6x + 6y

6 (x+y)

300

12x + 18y

6(2x + 3y)

400

15x + 30y - 10

5( 3x + 6y -2 )

500

10x - 10y + 30x

10( 4x - y)