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Equations
One-Step Equations(+/-)
One-Step Equations(x/dividing)
Independent/Dependent Variables
Inequalities
100

This type of mathematical statement has an equal sign and shows two expressions that are equivalent.

an equation

100

Solve for x: x+4=12

 x=8

100

Solve for x

5x=20

x=4

100

This type of variable changes in response to the independent variable.

 dependent variable

100

Write the word sentence as an inequality. 

a number z is less than or equal to 1/2. 

z ≥ x

200

The sum of a number n and 7 is 15.

n+7=15

200

If 7 + x=15, what is the value of x?

x=8

200

Solve for x

x/3 = 6

x = 18

200

The variable you manipulate in an experiment or equation, often represented by x.

an independent variable

200

The graph of 7≥x is shaded which way?

left

300

5 is one-fourth of a number c

5 = 1/4c

300

What is d if  d - 7 =12?

 d=19

300

Solve for p

42 = 7p

p = 6

300

The _________ variable is changed by the __________ variable. 

dependent, independent 

300

The graph of x ≥ 3 is shown with a ____ circle on ____.

closed, 3

400

Twice a number w is the same as 64

2w = 64

400

If 3 + x + 2 =10, what is the value of x?

 x=5

400

Solve for r

10 = r/2

r = 20

400
Label as the independent or dependent variable. 


Cell phone bill & data used 

How far you drive & the amount of gas you have 

how much money you earn & the hours you work

DV: cell phone bill IV: data used 

DV: how far you can drive IV: the amount of gas you have

DV: how much money you earn IV: the hours you work

400

When graphing y<2, this type of circle is used to show that 2 is not included in the solution.

open circle

500

Students and faculty raise $6042 for band uniforms. The faculty raised $1780. Write an equation you can use to find the amount of m(in dollars) the students raised. 

1780 + m = 6042

500

What is x if  −6 + z =9?

z=15

500

solve for f

3f = 354

f=118

500

Rewrite the situation showing dependency, and then identify the dependent and the independent variables. 

a wheel barrow with several bricks weighs more than a wheel barrow with just a few bricks. 

The __________ depends on ___________.

The weight of the wheel barrow depends on the number of bricks in the wheel barrow. 


dependent variable: weight of wheel barrow

independent variable: number of bricks in the wheel barrrow

500

Graph both of the inequalities. 

x > -5  

x is less than or equal to 17

1. open circle on -5, shaded right 

2. closed circle on 17, shaded left