CPM REVIEW

In algebra, unknown values are often represented with......

• numbers
• symbols
• variables
• equations

The sequence :
x + x + x + 5 =
represents?

• 3x+5

• three variables plus five
• the hops of croakie in a competition
• x plus x plus x plus five

This expression
 - I -5 I    is equal to ......

• -5
• 5
• I 5 I
• 25

5 ^{3   is equal to ....}

• 25
• 15
• 125
• 53

-9 + (-3) + (-5) + 10 =

• 27
• 7
• -27
• -7

To change a fraction into a decimal, you ......

• divide the denominator by the numerator
• simplify the fraction
• divide the numerator by the denominator
• use the giant one and divide

I -8 I + (-7) + (-12) =

• - 11
• -27
• 27
• 11

to change a decimal into a percent, you .......

• move the decimal point two places to the left
• you change the decimal point for a percent sign
• change it into a fraction first
• move the decimal point two places to the right

When working with order of operations, the first step tells you to.....

• solve anything that is inside parentheses
• work out any exponent in the equation
• find the value of the variables
• multiply or divide

9^{2   is equal to ....}

• 18
• 81
• 92
• 29