Chapter 12 Review

Formulas

100

A^2+B^2=C^2

What is the Pythagorean theorem? 

200

x=-b sqrt b^2-4ac over 2a

What is the quadratic equation

300

y=mx+b

What is slope intercept form

400

adjacent over hypotnuse

What is Cosine

500

m= y2-y1 over x2-x1

What is slope formula

Key Vocab

100

The name for the letter with an unknown value

What is a Variable

200

The name of the position the number 2 is in

Example: 15²

What is an exponent 

300

The name of the number that multiplies the variable

Example 23x

What is a coefficient 

400

The acronym for the order of operations

What is Pemdas

500

The name for when something is 1:1

What is a ratio

Equations

100

Sqrt 25

5

200

10³

1000

300

Simplify 15/20

3/4

400

72% as a fraction

18/25

500

Solve for x

4x-7=5

x=3