Mathardy Final Review

Evaluate

100

|37-63|

26

200

(-12(3)/3(-2)

6

300

(-3 1/5)(-4 1/6)

40/3

400

a-ac+bc², when a=-1, b=2, and c=-3

14

500

t²-v², when t=0.1 and v=0.01

0.0099

Simplify

100

a⁴(a³)a²

a¹⁰

200

3xy+2x-3y+4xy-5x

7xy-3x-3y

300

3/7(4/9+1/2y)-1/3y

-5/42y+4/21

400

(5x²-5x-3)+(7x+5-7x²)

-2x²+2x+2

500

(-8x³y⁴)(8x²y²)

-64x⁵y⁶

Solve

100

7(x+3)-3(4x+9)=14

x=-4

200

(*square root of* -4x) = 9

x=-81/4

300

3g+5=8g-5

g=2

400

x-1/2=3/5

x=11/10

500

-3x>15

x<-5

Properties

100

2y-7=-7+2y

commutative property of addition

200

2(3x+4)=6x+8

distributive property

300

The reciprocal of 2 is 0.5

multiplicative inverse

400

Double Jeopardy!!!

-3y+3y=0

additive inverse

500

(3y+6x)+3z=(6x+3y)+3z

associative property of addition

Short Answer

100

Double Jeopardy!!

If y varies directly with x and y=6 when x=2, find y when x=6.

y=18

200

Find the slope of a line passing through (2,-3) and (5,1).

4/3

300

If f(x)=x+3/x-2, find f(3).

f(3)=6

400

Give the range of the relation C defined by y=2x-1 with domain D={0,3,5}.

R={-1,5,9}

500

What is the greatest common factor of 24 and 42?

6