Algebra + Geometry

Vocab

100

What is the multiplier placed before a variable?

example: the #9 in the expression

9x + 3

coefficient

200

An angle that measure between 0 and 90 degrees

Acute

300

Angles that add together into 180 degrees

Supplementary angles

400

A letter that always represents an unknown number, or what you’re solving for in an algebra problem.

Variable

500

An algebraic expression containing two terms

example: 9x + 17

Binomial

PEMDAS

100

Solve:

5 - 3 * 2

-1

200

Solve:

3(5+2)

21

300

Solve:

2+5(4) -15

7

400

Solve:

 

8 - 75 / 5 ^ 2

5

500

Solve:

(27 / 3^2) +2

5

Solve for X

100

x - 7 = 93

x = 100

200

(x+5)/6 = 10

x = 55

300

5x + 8= 53

x = 9

400

29 = 3x - 2^2

x = 11

500

33 = x^2 - (48/3)

x = -7, 7

What is this symbol?

100

≅

Congruent

(Equal)

200

⊥

Perpendicular 

(forms a right angle)

300

π

pi

3.14159265359

400

≥ 

example: x ≥ −2 

Greater than or equal to

500

!

example: 5!

factorial

-> The product of a number and all the numbers below it

example: 5! = 5 * 4 * 3 * 2 * 1

Distributing

100

Solve:
5(12)

60

200

Solve:
2(11 + 3)

28

300

Solve:
(3+8)(9-2)

77

400

Solve:
(x + 3)(x + 6)

x^2 + 9x + 18

500

Solve:
(x - 10)(x - 4)

x^2 - 14x + 40