Algebra Review

Simple Equations

Functions

Slope Intercept/Linear Equations

Slope/Simplifying Equations

Factoring

The number system

100

Solve: 2x + 2 = 18

x = 8

100

Algebra: Is this a function: {(1, 2), (2, 3), (2, 4)}

100

What is b in the equation y=mx+b?

Y-intercept

100

Find the slope: 6x + y =5

–6

100

Factor using GCF:

25x²+ 5x

5x(5x+1)

100

Which categories does the following number belong to?

Natural, Whole, Integer, Rational, Irrational?

–11

Integer and Rational

200

Solve: 3x + 4 = 7

x = 1

200

Is this a function?

(0,2) (3,4) (–3, 0)

Yes

200

What is the slope in the equation y=–3x+3

–3

200

What is the slope of the following equation:

2y = 2x + 8

slope = 1

200

What is the GCF of 81xyz and 9z?

200

Which categories does the following number belong to?

Natural, Whole, Integer, Rational, Irrational?

3.5

Rational

300

Solve: 3x + 3 - 2x = 21

x = 18

300

What is the domain of the function?

(1,2) (2,5) (4,4)

D:{1,2,4}

300

Where does the line y=2x cross the y=axis?

The origin

300

What is the y-intercept of the equation:

y + 5 = 2x

b= –5

300

What is the GFC of 10xyz and 20c?

300

Which categories does the following number belong to?

Natural, Whole, Integer, Rational, Irrational?

3.14159.........

Irrational

400

Solve: 4x - 5 - 3x + 2 - 2x = 9

x = -12

400

What is the test to see if a graph is a function?

Vertical Line Test

400

What is the slope of a line that passes through the points (0,0) and (1,2)?

400

Where does the line with the equation

y = 1/2x – 1/2

cross the y-axis?

at –1/2 (negative 1/2)

400

Factor x²– 121

(x+11)(x–11)

400

Is 10/2 a whole number?

Yes

500

Solve: 21 + x = 2(x - 6)

x = 33

500

Each input can only have one output? True or False

True

500

What is the slope of the line with the equation y+2x=5?

–2

500

What's the slope of the line passing through (3,9) (5,4)

slope: -5/2

500

Factor : x²+10x –11

(x+11)(x–1)

500

–9.9 is what type of number?

Rational