8th State Testing Review

1 - Angles

100

Two angles in a triangle are 47 and 67 degrees. What is the third angle? 

66 degrees

200

What is the sum of the interior angles of a pentagon?

(n – 2) x 180, where n is number of sides.

540 degrees

300

Complementary angles add to ______ degrees. 

90. A complementary angle forms a right angle.

400

Supplementary angles add to ______ degrees. 

180. A supplementary angle forms a horizontal line. 

500

Find ALL THREE angles of a triangle if: 

Angle 1: x 

Angle 2: x + 65

Angle 3: 25

25, 45, 110

2 - Exponents

100

5¹⁰ x 5⁶ x 5²

5¹⁸

200

7^-4 / 7⁸

1 / 7⁴

300

1810374289⁰

1

400

1 / y^-5

y⁵

500

(8⁴)⁶

8²⁴

3 - Equations

100

Solve 4x + 8 = 36

x = 7

200

Solve for x. 

15 – 2x = –7x

x = –3

300

Solve for w. 

6(4 – w) = 2w

w = 3

400

3 – 4x = –7 – 4x

No solution

500

Rewrite the equation solved for t.

d = tr

t = d/r

4 - Scientific Notation

100

Write 0.000000123 in scientific notation.

1.23 x 10^-7

200

Write 19,100,000 in scientific notation. 

1.91 x 10⁷

300

Write 4.9 x 10⁴ in expanded form.

49,000

400

Write 5.5 x 10^-6 in expanded form.

0.0000056

500

Write 17,400,000,000 in scientific notation. 

1.74 x 10¹⁰

5 - Random

100

What is the slope AND y-intercept of the equation: 

y = 1/5x + 19

Slope: 1/5

Y-Intercept: 19

200

–16 + (–19)

–35

300

Is y = x² a linear function? 

No

400

What are the odds of picking a blue marble out of a bag containing: 

6 blue

5 purple

9 orange

4 yellow

6/24 or 1/4

500

Solve the system of equations using substitution or elimination. 

3x + y = 1

  x – y = –5

x = –1

y = 4