Rational Number Operations
What is the absolute value of |-5|?
5
What is 50% of 150?
75
If the radius of a circle is 7 cm, what is its circumference?
14(pi)
What are the two characteristics of the graph of a proportional relationship?
It is a straight line that passes through point (0, 0).
What is 0.75 as a fraction?
3/4
If a car travels 60 miles in 1 hour, how far will it travel in 2.5 hours?
150 miles
What is the name for (0, 0) on a coordinate plane?
the origin
What is the relationship between the radius and diameter of a circle?
What is the result of 2.8 + (−3.5)?
-0.7
If 3 apples cost $1.50, how much do 8 apples cost?
$4.00
Which axis is vertical on a coordinate grid, the x- or y-axis?
y-axis
If two rational numbers have opposite signs, which operations always result in a negative result?(Operations include addition, subtraction, multiplication, and division.)
multiplication and division
What is (-12)x(-3.5)?
42
If a recipe uses 2 cups of sugar for 3 cups of flour, how much sugar is needed for 9 cups of flour?
6 cups
Write the equation for the proportional relationship between x and y if y is 3 times x.
y = 3x
What is the value of x in the equation 3x+5=20
x = 5