Solving Variables Module 3 C3-C5

Solving for Variables (Both sides/cube/square)

100

Solve: 

2x + 15 = 4x -5 

x=10

200

2x²=128

x=8

300

2x³=128

x=4

400

2x²-5=67

x=6

500

3x³-10= 71

x=3 

Cube and Cuber Root

100

For a Cube how many times do you multiply a number

3

200

A cube root is the (opposite or same of a cube)?

Opposite 

300

How do you write cube?

How do you write cube root?  

x³

look at board

400

Solve for x:

x³=64

x=4

500

x³+5=130

x=5

Square and Square Root

100

For a Square how many times do you multiply a number

2

200

A square root is the (opposite or same of a square) ?

opposite 

300

How do you write square?

How do you write square root?  

x²

^{Look at board for answer} 

400

Solve for x

x²=64

x=8

500

x²-7=42

x=7