Chapter 1 Review

Six less than a number k

• k - 6
• 6 + k
• 6/k
• 6 - k

Ten more than three times a number

• 3 x 10 x m
• 3m + 10
• 10 + 3 + m
• 10m + 3

A number decreased by 9

• 9 - x
• x + 9
• x/9
• x - 9

Nine less than the product of a number and 4

• 9  -  4n
• 9 - (n + 4)
• 4n - 9
• 9/4n

Twice the sum of x and y

• 2xy
• 2x + y
• 2 + (x + y)
• 2x + 2y

Evaluate the following expression:
-3x² - 5x + 7 when x = -2

• 5
• 10
• 12
• 7

Solve the following:
(2 + 7 - 1) ÷ 2²

• 16
• 2
• 72.25
• 8.75

Solve the following:
5 - 6² ÷ 4 - 3

• 1
• -10.75
• -31
• -7

Simplify:
[25-(13+4)+4] ÷ 3

• 6
• 2
• 3
• 4

True or False?
2 + (4 x 5 - 2) + 8 = 28

• True
• False