Test Prep

Good

100

y = |4x + 1| + 3

What type of equation is this?

Absolute Value

200

y = x² - 2x + 4

What type of equation is this?

Quadratic

300

(x - 3)² + (y - 2)² = 4

What type of equation is this?

Circle equation

400

y = 2^x

What type of equation is this?

Exponential Equation

500

What types of equations are these?

1. y = 2x + 4

2. y = x³

3. (x-4)² + y² = 36

1. linear

2. power

3. circle

Luck

100

Give the domain and range:

f(x) = 2x - 3

D & R: all real numbers

200

x² + y² = 9

D: [-3. 3]

R: [-3, 3]

300

y = sqrt(3x - 2)

D: [2/3, inf)

R: [0, inf)

400

y = 2 / (x - 1)

D: (-inf, 1) U (1, inf)

R: (-inf, 0) U (0, inf)

500

y = sin(x)

D: (-inf, inf)

R: [-1, 1]

On The Test

100

A cylinder has a radius of 3cm and a height of 4cm. Find its volume; round to the nearest tenth of a cm.

113.1cm³

200

A sphere has a radius of 8 inches. Calculate its volume to the nearest tenth of an inch.

V = 2,144.7 in.³

300

The longest side of a right triangle is called its 

Hypotenuse

400

A number next to a variable (such as 5 in '5n') is called a 

coefficient

500

Give the center and radius for this circle:

x² + (y +7)² = 27^1/3

center = (0, -7)

radius = sqrt(3)