WE

Linear Equations

100

A savings account balance can be modeled by the table of the linear function shown on the table. What is the rate of change?

X:   1       4        5        8 

Y:  150   450    550    850

A) 100 per deposit

B) 50 per deposit

C) .50 per deposit

D) 2 per deposit

A) 100 per deposit

200

X: 2    3      4     5     6

Y: 5   10   17    26    37

Find the equation

y= 8x-13

300

Solve

X:   -2     2   4     6     10

Y:   7    -5   -4   -17   -29

y= -3x + 1

400

Solve

X:    0      1      2      5

Y:  -15    45   105   285

y= 60x - 15

500

Solve

4x + 8 - y2

y= 2x + 4

Inequalities

100

8x<120

x<15

200

-5x>80

x<-16

300

10x+16>156

x>14

400

4x+20<100

x<20

500

16x>-100

x>-6.25

Systems of Equations

100

Solve for X

5x+6=-4

-2

200

Solve

y=2x+4

-6x=3y=12

infinite numbers of solution

300

The perimeter of a rectangle is 72 inches. Its length is 6 inches greater than twice its width. What is the length of the rectangle?

26 inches

400

Solve by elimination

-7x-6y=-5

-5x-7y=-28

(-7,9)

500

-x-8y=-6

-2x+y=-12

(-3, 4)

Quadratic Equations

100

2x¹=-144

No Solution

200

7x¹=-21

No Solution

300

-7n²=-448

{8, -8}

400

-2k²=-162

{9, 9}

500

m²+7=88

{9,-9}

Exponential Equations

100

Solve for X

3^x=243

X=5

200

Solve for X

16^x=4

X=1/2

300

Solve for X

6^x-4=1296

X=8

400

Solve for X

2^4x=22^x+1

A) -5

B) -3

C) 4

D) 1

X=-5

500

Solve for X

2^5x=8^2x-4

A) 14

B) 12

C) 7

D) 9

12