8th Grade Midterms 2021

Irrational Numbers

100

What is the square root of 196?

14

200

What is the negative square root of 81?

-9

300

Between which two integers will you find the square root of 2?

1 and 2

400

The square root of 210 is closest to which integer? 

14

500

The square root of 80 is closest to which integer? 

9

Basic Equations

100

Solve for x.

x - 3 = -17

-14

200

Solve for x. 

x/-5 = 3

x = -15

300

Solve for x. 

2x -7 = -13

x = -3

400

Solve for x. 

25 = -7x -24

x = -7

500

Solve for x. 

3/4x -3 = 15

x = 24

Multi-Step Equations

100

Solve for x. 

3x - 8 + 2x = 7

x=3

200

Solve for x. 

3(-2x + 1) = 15

x = -2

300

Solve for x. 

-9x + 11 = -3x -1

x = 2

400

Solve for x. 

4x - 9 - 3 = 6x - 4 + 2x

x = -2

500

Solve for x. 

-2/3(12 + 15x) = 5x + 2

x = -2/3

Special Cases

100

How many solutions will this equation have? 

5x - 2 = 3x + 2x - 2

Infinitely Many or All Read Numbers

200

How do you know if an equation will have one solution?

If you are able to isolate the variable and find a solution.

300

How many solutions does this equation have? 

5(2x + 2) - 3x = 7x + 2

No solution

400

How many solutions will this equation have? 

3x - 7 - 3 = 2(4x -1)

One Solution

500

How many solutions will this equation have?

3/4(8x -1) = 6x - 8 + 7

No Solution

Transformations

100

Name the 4 transformations we are learning about. 

Translation, Reflection, Rotation, Dilation

200

See Picture Question #1

Translation and then reflection

300

Write the following verbal description into algebraic. 

Left 4, up 3

(x -4, y + 3)

400

M( 3, 7) --> M prime ( -2, 4) 

Describe the translation. 

Left 5, Down 3

500

See Picture Question #2

Reflection then rotation