Algebra

Slope

100

What is the slope of a line passing through the points (2, 4) and (4, 6)?

1

200

What is the slope of a line passing through the points (0, 0) and (3, 30)?

10

300

What are the two ways to write the slope formula?

rise/run

y2 - y1 / x2 - x1

400

What is the slope of a line passing through the points (3, -2) and (4, 5)?

7

500

What is the slope of a line passing through the points (-6 ,-6) and (-3, 1)?

7/3

FOIL

100

(x + 1) (x + 2)

x2 + 3x + 2

200

(x - 4) (x + 3)

x2 - x - 12

300

(2x + 1) (3x + 4)

6x2 + 11x + 4

400

(4x - 3) (2x + 3)

8x2 + 6x - 9

500

(3x - 5) (3x - 4)

9x2 - 27x + 20

Solve for X

100

x + 2 = 10

x = 8

200

3x - 2 = 10

x = 4

300

2x + 3 = x - 6

x = -9

400

3x + 6 = x + 10

x = 2

500

x2 - 5 = 20

x = 5

Equations

100

Solve: 2x + 2 = 18

x = 8

200

Solve: 3x + 4 = 7

x = 1

300

Solve: 3(x+3) = 3x + 9

 infinite solutions

400

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

x = -12

500

Solve: 2x + 21 + 3x = 5(x - 12)

no solutions

Substitution

100

Evaluate for when x = 8 

4x-2

 30

200

Evaluate for when x = 2 

18/x + x

 11

300

Evaluate for x = -5

x + 7 * 3

 6

400

Evaluate for a = 3 and b = 4 

a - 3b + 2

-7

500

Evaluate for x = 3 

x2 - 4x 

-3