Final Equations and Inequalities review

Simplify Expressions

100

Distribute:

3(4x + 2) 

12x + 6

200

Combine like terms:

15j + 2k - 7j +k

8j + 3k

300

Combine like terms:

12y + 5 - 2y + 3

10y + 8

400

Simplify:

5(x + 4) +3x

8x +20

500

Fill in the blank (* is multiplication):

3x * 6 = 6 * (  )

3x

Solving Equations

100

Solve for x:

x + 7 = 3

x = -4

200

Solve for x:

2/3x=10

x = 15

300

Solve for x:

11.3 - x = -4.8

x = 16.1

400

Solve for v:

2v + 11 - 4v = 31

v = -10

500

Create an equation that represents the following expression and then solve it.

Harvey's age doubled is 6.

2a = 6

a = 3

Solving Inequalities

100

have fun

gain 700 points

200

What are two possible solutions for x?

2x < 4

x: 0,1 (or any negative number!)

300

Write an inequality for:

s is at most 55

s <= 55

400

Solving Inequalities

Solve for x.

-2(x+3) > 8

x < -7   (Note the sign switched!)

500

Create and solve an inequality:

Julie earns $7 for each car she washes. She wants to save more than $56. How many cars must she wash?  

 c > 8

True/false

100

We use inverse operations to solve equations and inequalities?

True

200

Addition is the inverse of division?

False

300

We use a closed circle to represent the inequalities < and > ?

False

400

Inequalities only have one solution, just like equations.

False. Inequalities have infinitely many solutions. 

500

have fun 

loss all points

Kitchen Sink

100

brain tax loss 500 points

yes

200

Mr. Packard's favorite car

Ferrari

300

-(-2)-2

What is: 

0

400

What you're going to do this summer

Read and do lots of math! Muah ha ha!!!

500

What you must do before you leave today

Clean up and put the Chromebook away. Thanks!