Expressions
Simplify:
4x + 3x
7x
Write 0.35 as a percent.
35%
Solve:
x + 7 = 15
x = 8
In the equation
y = 3x + 5
what is the slope?
3
Find the perimeter of a rectangle with a length of 8 cm and width of 5 cm.
26 cm
Evaluate when x = 5:
3x + 7
22
Write 75% as a decimal
0.75
Solve:
3x = 21
x = 7
In the equation
y = −2x + 7
what is the y-intercept?
7
Find the volume of a rectangular prism with:
Length = 6 cm
Width = 4 cm
Height = 3 cm
72 cm³
Simplify:
5x + 3 − 2x + 8
3x + 11
Write 3/5 as a decimal and a percent.
0.6 and 60%
Solve:
x − 14 = −5
x = 9
Find the slope between:
(1, 2) and (3, 6)
m = 2
A right triangle has legs of 6 cm and 8 cm.
Find the hypotenuse.
10 cm
A rectangle has a length of 3x + 2 and a width of x + 4.
Write a simplified expression for the perimeter.
8x + 12
A student gets 18 out of 24 questions correct
75%
Solve:
6x − 10 = 5 + 20
x = 35/6
or approximately 5.83
A line has a slope of 4 and a y-intercept of −3.
Write the equation.
y = 4x − 3
A right triangle has a hypotenuse of 13 cm and one leg of 5 cm.
Find the missing side.
12 cm
Evaluate:
3(4 + 2²) − 5
25
A shirt costs $40 and is on sale for 25% off.
What is the sale price?
$30
Solve:
4x + 7 = 2x + 19
x = 6
A gym charges a $20 membership fee plus $2 per class.
Write an equation for the total cost.
C = 2x + 20
A rectangular prism has a volume of 240 cm³.
Its length is 10 cm and its width is 6 cm.
What is its height?
4 cm