Expressions & Variables
Evaluate the expression
when x = 6
24/x
4
Write the product using exponents.
41 * 41 * 41
413
Evaluate the expression.
3(7.4 + 2.2)
28.8
Compare using >,< or =.
- 9 __ 4
<
Evaluate the expression
5x
when x = 7
35
Write the product using exponents.
k * k * k * k * k
k5
Evaluate the expression.
(23-5)/(4.2 + 4.8)
2
State the absolute value of the number.
18
18
Write a variable expression to represent the word phrase.
The quotient of a number x and 6.
x/6
Write the power in words and as a repeated multiplication problem.
83
8 to the 3rd power or 8 cubed
512
Evaluate the expression.
10 * [6+(8 * 2)]
220
State the opposite of the number.
-100
100
Write a variable expression to represent the word phrase.
7 less than the product of 2 and a number x
2x - 7
Evaluate the expression when
m = 3 and m = 0.8
m3
27 ; 0.512
Evaluate the expression when
x = 4 and y = 9
10(y - x)
50
Evaluate the expression when
a = -8
-|a|
-8
Evaluate the expression when
a = 2.5 and b = 15
b/a
6
Evaluate the expression when
m = 3 and when m = 0.8
m4
81; 0.4096
Evaluate the expression when
x = 4 and y = 9
3[(x2 - y) + 6]
39
Evaluate the expression when
y= -5
|y| -2
3