Math 8 End of Year Review

Transformations/Similar Figures

100

Another name for a reflection is a...

flip

200

Another name for a translation is a...

slide

300

2 angles that form a straight line add up to be...

180 degrees

400

Vertical angles are...

(the same, add up to be 180, or add up to be 90)

the same

500

If 2 angles are congruent, that means their angles are...

the same

Slope

100

The "m" in y=mx+b represents what?

the slope

200

The "b" in y=mx+b represents what?

the y-intercept

300

What is the slope of the following line?

y=3x+2

3

400

The following line has what type of slope?

y=-4x+5

negative

500

What is the y-intercept in the following line?

y=5x

0

Solving Equations

100

Solve for x:

3x=90

x=30

200

Solve for x:

6x + 1 = 37

x=6

300

Solve for x:

4(x + 7) = 40

x=3

400

Solve for x:

9 + 5x = 6x + 4

x=5

500

Solve for x:

5x - 11 = 3x + 7

x=9

Functions/ Volume

100

What is the formula to find the volume of a cylinder?

V=pi * r² * h

200

What is the formula for the volume of a cone?

V = pi * r² * h / 3

300

What is the formula for the volume of a sphere?

V = 4 * pi * r³ / 3

400

What is the volume of a cylinder that has a radius 4 and a height of 10?

V=160pi OR 502.4

500

What is the volume of a cone with a diameter 6 and a height of 5?

V=15pi or 47.1

Exponents/ Scientific Notation

100

Simplify: 

3² * 3¹²

3¹⁵

200

Simplify:

5⁴ / 5²

5²

300

Simplify:

(7³)⁶

7¹⁸

400

What is the actual number?

4.516 x 10⁴

45,160

500

Rewrite in scientific notation:

6,431,902

6.431902 x 10⁶