Ms. Judge Math 8

Solving Equations

100

8(1 + 2x) = 4(3x + 3) + 4x

no solution 

200

3x - 4 + x = -2(x + 8) 

x = -2

300

9(x + 4) = 27

-1

400

2(x − 3) = 2x + 5

no solution

500

5c + 4 = 2(c - 5)

-4 2/3

Arithmetic

100

5 + 9

14

200

3 - 8 

-5

300

19 - 37

-18

400

2(7)  - 3²

5

500

2(6)² - 8(10) 

-8

Scientific Notation

100

5,000

5 x 10³

200

467,000,000,000

4.67 x 10¹¹

300

Write in scientific notation .00000987

9.87 x 10^-6

400

Write in scientific notation: 9,460,000,000,000

9.46 x 10¹²

500

Write 5 x 10^-4 in standard form

.0005

Systems of Equations

100

x + y = 10 

x - y = 8 

(9, 1)

200

2x + y = 10 

-2x +4y = 20

(2, 6)

300

x + y = 8 

x - y = -4

(2, 6)

400

2x - 3y = -5 

-2x + 5y = -3

(-8.5, -4)

500

2x + y = 10

x + y =  -4

(14, -18)

Mixed Review

100

A reflection ___________ an image

flips

200

What is the sum of the interior angles of a triangle?

180

300

Define a rational number

a number with a repeating or terminating decimal, or a number than can be written as a fraction

400

What is the slope formula?

(y₂-y₁)/(x₂-x₁₎

500

Determine the coordinates of the image after a dilation with a scale factor of 4: 

A(2, 3), B(-3, 4) 

A'(8, 12) B'(-12, 16)