8th Grade Equations Review

Pop Culture

100

This substance is Superman weakness

What is Kryptonite?

200

He lives in Gotham city.

Who is Batman?

300

Upon the death of king Charles, he is next to the throne.

Who is prince William?

400

They are the Red Devils

Who is Manchester United?

500

He  is the most-followed person on Instagram, with over 541 million followers.

Who is Cristiano Ronaldo?

Two-Step

100

3b+4=19

b=5

200

-5y+7= -23

y=6

300

DOUBLE POINTS!!!

You get 600pts.

400

4(x-6)= -16

X=2

500

4/5 m +2= -6

m=-10

Variables on both sides

100

2x+5= 3x

x=5

200

5x+2= 3x-8

x=-5

300

12x+8= 3x+62

x=6

400

16-4x=7x+5

x=1

500

FREE POINTS!!!

You get 500 pts.

Multi-Step Equations

100

7(x-2)=6x

x=14

200

-(a-12)+4a= 9a

a=2

300

3(x+1)=x+5

x=1

400

DOUBLE POINTS!!!

You get 800pts.

500

4(2a+3)= -3(a-1)+31

a=2

Types of Solutions

100

Name the three different types of solutions for equations.

One solution, No solution, infinite solutions

200

If after solving the equation you arrive at 5 = -5, what is the type of solution?

No solution

300

What is an example of an equation with one solution?

(Answers vary)

400

If you arrive at the step 6=6 when solving an equation, what would be the solution?

Infinite Solutions

500

If you arrive at 6x+2=6x+2 when solving the equation, what type of solution can you predict this is?

Infinite Solutions