8th Grade Mania (Courtesy of your textbook)

Solving Equations

100

x+5=17

What is 12?

200

7x-2=6

What is 8/7?

300

3-2(x+1)=7

What is -3?

400

1/2x + 3/4 = 7/4

What is 2?

500

2x+7(9-0)+2=y

x=5

What is 75?

Writing Linear Equations

100

m=7

b=9

What is y=7x+9 ?

200

m=(9-5)

b= 2(3+1)

What is y=4x+8 ?

300

m= 100(2)-3

b= (435+99)-1

What is y=197x+533 ?

400

m= (345+(233+5)+2)/5

b= 10/10

What is y=117x+1 ?

500

b=-5

m= (2000-2000+1)/2

What is y=1/2x-5 ?

Functions

100

What alphabetical* values does domain/range, input/output stand for?

*Alphabetical: A, B , C, ETC....

What is X and Y?

200

Name this:

X: 1, 2, 7, 10

Y: 2, 0, 3, 5

Hint: Your answer will be "What is a function?" OR "What is NOT a function?" (I know; so smart)

What is a function?

300

Name this:

X: 1, 0, 13, 15, 7, 9, 0

Y: 100, 406, 782, 977, 8, 99, 62

Hint: Your answer will be "What is a function?" OR "What is NOT a function?" (I know; so smart)

What is NOT a function?

400

Name this: y=1(x+5) 

Hint: Your answer will be "What is a function?" OR "What is NOT a function?" (I know; so smart)

What is a function?

500

Name this:

y²-x²=3

Hint: Your answer will be "What is a function?" OR "What is NOT a function?" (I know; so smart)

What is NOT a function?

Systems of Linear Equations

100

What are three ways you can solve a system of linear equations?

What are substitution, elimination, and graphing.

200

Translate this sentence into a formula:

y is 7 more than 4x

What is

y=4x+7

300

Translate this sentence into a formula:

y is 72 less than (6x/3)

What is

y= (6x/3)-72

400

Write a function out of these values:

x: 0, 1, 2, 3

Y: 2, 4, 6, 8

What is

y=2x+2

500

VOCAB

LEVEL: HARD

"...a set of two or more linear equations in the same variables." (pg. 204 of Textbook)

Citation: 

Larson, Ron, and Laurie Boswell. Big Ideas Math. A Common Core Curriculum. Big Ideas Learning, 2015. 

What is a "system of linear equations"?

Volumes

100

What shape does this volume formula belong to?

V=(3.14)(r²)(h)

What is a cylinder?

200

What is the formula for volume of a cone?

What is 1/3(3.14)(r²)(h) ?

300

What shape does this formula for volume belong to?

V= 4/3(3.14)(r³)

What is a sphere?

400

Solve the volume of a cylinder with a radius of 4 and a height of 7

What is 351.68 ?

500

If you were given a sphere with a volume of 670, what would the radius be?

(HINT: You will have to work backwards to find the radius)

What is 160.032 ?