Algebra

Vocabulary

100

the name for the unknown number that is represented with a letter

variable

200

the name for a number whose value will always remain the same (no variable)

constant

300

the number in front of a variable in a variable term

EX: 5x (what is the 5 called?)

co-efficient

400

Numbers, symbols and operations (such as + and ×) grouped together that represent the value of something

expression

500

A mathematical expression that shows the value of the expression using an equal sign

equation

Variable Operations

100

2x + 5x = 

7x

200

2x - 5x

-3x

300

2x·5x

10x²

400

x³·x⁵

x⁸

500

(x³)⁴

x¹²

Equations

100

3x + 9 = 30

x = 7

200

4(2x-5) = 60

x = 10

300

x/3+5=20

45

400

3x + 10 = 2x

x = 5

500

5(2x+1)=45

4

FACTORING

100

3x+9

3(x+3)

200

x²+6x+8

(x+2)(x+4)

300

x²-6x+9

(x-3)²

400

x²+5x-14

(x+7)(x-2)

500

2x²-9x-5

(2x-1)(x-5)

Potpuri

100

The name of the graph of a quadratic function.

Parabola

200

The special name of a polynomial with 3 terms

A trinomial

300

The type of functions that has a degree of 2.

Quadratic

400

The slope formula

(y₂-y₁)/(x₂-x₁)

500

 b represent in y=mx+b

y-intercept