Recap of Pre-Algebra (FB)

Evaluate

100

Evaluate -3⁴

-81

200

Evaluate (-2)⁵

-32

300

Evaluate 2x + y -3, for x = -1, y = -2

-7

400

(ab²)³ * (a²b)

a⁵b⁷

500

|y| - x² - y   for x = -3, y = -4 

-1

Solve

100

-7z > 21

z < -3

200

(-3/4)x  <  9/20

x > 3/5

300

3x - 8 > 4

x > 4

400

(3y - 1)²

9y² - 6y + 1

500

(x² - 4x + 2) - (x² - 3x - 5) > -4

x < 11

Geometry

100

What is the measure of an angle that is supplementary to an angle measuring 37 degrees?

143 degrees

200

Which of the following could be the lengths of the sides of a right triangle?

a. 7,8,12  b. 24,32,40  c.23,35,62   d. 9,30,41

24, 32, 40 

(Pythagorean triple of 3,4,5)

300

Find the surface area of a rectangular prism with length 12 in., width 8 in., and height 4 in.

352 in²

400

Find the length of the missing leg (to the nearest tenth of a meter) of a right triangle if one leg measures 3 m, its adjacent angle measures 66 degrees, and the following is true:

sin 66 = 0.9135, cos 66 = 0.4067, tan 66 = 2.2460

6.7 m

500

Find the missing lengths of a right triangle with one leg of 9cm, and one angle of 45 degrees

The other leg measure 9 cm, and the hypoteneuse measures 9 times the square root of 2 cm.

Functions

100

What is the slope and y-intercept of the following function?

y = 3x - 4

m = 3, b = -4

200

Find the slope of the line that contains the points (-5, -4) and (2, -2)

2/7

300

Find the distance between the points A(8, -5) and B(11,-1)

5 units

400

Which ordered pair is a solution to the system 

3x + y = 5

x - y = 3 ?

(2, -1)

500

What are the x and y intercepts of the function:

y = x² - 4

y intercept:  -4

x intercepts:  -2, 2

Miscellaneous

100

Choose the prime number: 

a. 945  b. 927  c. 937  d. 934

c. 937

200

Divide 2 1/3 by 1 1/4

1 13/15

300

Find 75% of 160

120

400

Find the percent change from 50 to 65

decrease of 30 %

500

Give the rule for the following sequence:

5, -5/3, 5/9... 

a_n = 5(-1/3)^{n - 1}