Mixed Review

Verson 10.0

#1Find the mean: 4 , 2 , 7 , 6 , 8

Mean (aka average): Add the numbers. Divide by how many items are in the list.

#2¾ is equal toA. 4/3

B. 9/12

C. 7/8

D. 10/14

#3Which angle is complementary to 57o?A. 90o

B. 57o

C. 123o

D. 33o

Complementary – two angles who add to equal 90o

#4Which line is illustrated in the table?A. y = x + 6B. y = 1xC. y = x + 1D. y = 7x

X Y

1 7

2 8

3 9

4 10

#5Andrew purchase 6 pounds of oranges for

$9.31. How much is 1 pound of oranges?

#6Yolanda has a boat that is 15 feet long. How

many inches long is the boat?

1 foot = 12 inches

#7Use the distributive property:5(3x – 2)

Distributive Property: Multiply each item inside by what is outside

Example: 3(4x + 5) = 3*4x + 3*5 = 12x + 15

#8Which function cuts its inputs in half?a) f(x) = x + ½ b) f(x) = ½x c) f(x) = x / ½ d) f(x) = x – ½