2 Step Equations
Variables
Analyzing
Graphing
Equations
100
  • 2x + 3 = 7
  • solve for X

X=2

100

What are variables?

A letter representing a missing value.

100

Solve for Y (x=2)

y=x+3

Y=5

100

This is where the independent variable goes.

The x-axis

100

When an equation has one operation.  

A one-step equation.

200

 2x + 6 = 12

 solve for X


X=3

200

If one variable depends on the other

A dependent variable

200

Solve for Y (x=5)

y=22x+4

Y=114

200

This is where the dependent variables goes

The y-axis

200

When an equation has two operations.

A two-step equation.

300
  • 0.3y + 5 = 1
  • solve for Y

Y=-13.3 repeating

300

What is the variable that keeps on going?

The independent variable

300

Solve for Y (x=5)

y=4x+3

Y=23

300

Title, Label the axis, independent and dependent variables, scales, units on variables.

The parts of a coordinate graph.

300

Make an equation.

The cost is equal to $20 plus $5 an hour.

c=20+5h

400
  • (2/3)x - 12 = 10
  • Solve for X

X=33

400

The association between two variables.

A relationship

400

Solve for X (y=24)

y=4x

X=6

400

(x,y) for example, (5, -4)

A coordinate pair.

400

Solve for the answer.

A public storage company charged $10.50 for the initial fee. Each month they charged $13.50. I have $301.00 for storage.

21 months of storage.

500
x/5 +3=18

Solve for X

X=75

500

price per shirt.

The independent variable.

500

Solve for X (y=26)

y=3x+5

X=7

500

When there is data in between the points. In other words, when the data is continuous.

When you connect the points on a graph.

500

Solve for the answer.

The number of students at Field Middle School is 33 multiplied by the number of great teachers.

S=33T

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