Mixed Review
x | y
2 | 10
4 | 20
6 | 30
Find the constant of proportionality.
What is 5
A car travels 120 miles in 3 hours. This is the unit rate.
What is 40 miles per hour
−5 + 8 equals this number
What is 3
If one coin is flipped, this is the probability of getting exactly one head.
What is 1/2
Two angles that add up to 180° are called these.
What are supplementary angles?
2.56 as a percentage.
256%
A shirt costs $25 and has 8% sales tax. This is the total cost.
What is $27?
−6 × −4 equals this value.
What is 24
A spinner has 3 equal sections: red, blue, green. This is the probability of NOT landing on green.
What is 2/3
Two angles that add up to 90° are called these.
What are complementary angles?
If y is proportional to x and y = 18 when x = 6, this is the constant of proportionality.
What is 3
If 5 notebooks cost $10, this is the cost of 8 notebooks.
What is $16
This is the decimal form of 3/4.
What is 0.75
The probability of rolling a number greater than 4 on a die.
What is 1/3 or 2/6
The volume of a rectangular prism with length 4, width 3, and height 2.
What is 24 cubic units
In a survey of 200 students, 60 prefer pizza. This is the estimated percentage.
30%
On a graph, a proportional relationship must pass through this point.
What is (0, 0) or the origin
This is the result of −12 ÷ 3.
What is −4?
To calculate the mean of a set of numbers you should...
Add them up and divide by how many numbers are in the data set
The circumference of a circle with radius 7 (use π ≈ 3.14).
What is about 43.96 units
Two lines intersect. One angle measures 65°. This is the measure of the vertical angle.
What is 65°
What is the equation we use to show a proportional realtionship.
y=Kx
This type of decimal continues forever and repeats a pattern. What is the name and symbol?
What is a repeating decimal and a line on top of the number/numbers that are repeating.
A spinner has 5 equal sections labeled A, B, C, D, and E. You spin the spinner once. List the sample space of all possible outcomes.
What is {A, B, C, D, E}
A circular garden has a radius of 10 ft. This is its area (use π ≈ 3.14).
What is about 314 square feet?