Math Start Review

Operations With Signed Numbers

100

5 + (-9)

-4

200

(-7)(-3)

21

300

1.8  / 0.3

6

400

-10 - 4

-14

500

-8 - (-3)

-5

Simplifying Expressions

100

4x + 6y - 3x

x + 6y

200

(4x)(2y)(-3x)

-24x²y

300

(7x - 4) + (8x + 7)

15x + 3

400

(11x + 3) - (3x + 8)

8x - 5

500

(6x + 3) - (9x - 5)

-3x + 8

Simplifying Expressions

100

3x(5x - 5)

15x² - 15x

200

16x²y / 10xy³

8x / 5y²

300

(9x + 1)(3x - 7)

27x² - 60x -7

400

(4x - 2)²

16x² - 16x + 4

500

5(x + 7)(x+2)

5x² + 45x + 70

Functions

100

Determine the slope and y-intercept of the function
y = -2x + 6

slope = -2
y-intercept = 6

200

Determine the slope of the function passing through the points (1 , 5) and (3 , 9).

2

300

Determine the equation of the function that has a slope of -4 and which passes through the point (-1 , 7)

y = -4x + 3

400

Determine the equation of the function that passes through the points (-2 , 4) and (0 , 7)

y = (3/2)x + 7

500

Determine the equation of the vertical line passing through the point (3 , 1)

x = 3

Factoring

100

Determine the factors of 16

1, 2, 4, 8, 16

200

Factor completely: 6x² + 15x

3x(2x + 5)

300

Factor completely: x² + 7x - 30

(x + 10)(x - 3)

400

Factor completely: 9x² - 25y²

(3x - 5y)(3x + 5y)

500

Factor completely: 4x² + 24x + 32

4(x + 4)(x + 2)