Module 2 Review

Equations

100

Solving Equations

Solve for x.

4(3x-10) + 7 = 15

What is:

x = 4

200

Solve the equation 

5(x+1) - 2 (3x-4) = 14

What is:

X = -1

300

solve the equation:

0.2(4-5x)+1=2.4

x=-0.6

400

solve the equation

0.4(2x+3)=0.3x+0.8

What is:

x = -0.8

500

Solve the Equation:

8-3(2x-5)=4(x+2)

What is:

x=1.5

Equations

100

Solving Equations

Solve for x. 

4x + 3 = 7

What is: 

x = 1

200

Solving Equations

Solve for x.

2x - 5 = - 11

What is: 

x = -3

300

Solving Equations

Solve for x. 

-9x + 1 = -71

What is: 

x = 8

400

Solve for v. 

v/3 + 14 = 30

v = 48

500

Modeling Equations

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

Solving Inequalities

Solve for n: 

165 > -7(4n-4)-3

What is: 

n> -5

200

 Solve the inequality

n+3 - 2n > 5 + n - 1 + 3 

n <-2

300

Solve the Inequality

 3n - 4 < 14

n<6

400

Solve the inequality:

3x + 4 > 9x + 3

x < 1/6

500

Modeling and Solving Inequalities

Create an inequality to represent the scenario and solve the inequality

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

What is: 

 7c > 56

c > 8

True/false statements

100

The inverse operation of multiplication is subtraction 

False

200

Is the statement true or false?

-2K + 30 = -10

K = -40

False

300

The solution to the equation:

4x + 10 = 50

x = 10

True

400

Inequalities only have one solution, just like equations.

False. Inequalities have infinitely many solutions. 

500

Given c + 4 > -14

We use the inverse operation of subtraction to solve the inequality.

TRUE

Equations

100

Solve for b:

b - 25 = 30

b=55

200

Solve for g:

g/2 - 200 = 500

g = 1400

300

Solve for k: 

k / 4 +10 = 50

What is:

k = 160

400

Solve for x: 

2(x+9)=68

x=25

500

Solve for x:

-9x + 8 = 26

x = -2