In order for a relation to be a function, the _____ can not repeat; this means that each input has exactly one output.
What are the "x-values" or domain?
100
Describe the slope of a vertical line.
What is undefined?
100
Solve: x - y = 11 and 2x + y = 19
What is (10, -1)?
100
A train traveled at a rate of 50 mph for 2 hours. How far did the train travel?
What is 100 miles?
100
Write 0.000678 in scientific notation.
What is 6.78 x 10^-4
200
Describe whether or not the relation below is a function:
{(3, 2), (-3, 2), (5, 2), (-5, 2)}
This is a function because the x-values/domain does not repeat.
200
The slope of the line that passes through points (6, -2) and (4, -2).
What is zero?
200
-6x + 5y = 1 and 6x + 4y = -10
What is (-1, -1)?
200
Kroger is having a sale on ribeye steaks. A 16 oz package of steak costs $14.99. What is the unit price per ounce?
What is $0.94?
200
The negative square root of 16 is what type of number (rational or irrational)? Explain.
What is rational? It is a perfect square therefore it is -4.
300
This is used to determine whether or not a graph is a function.
What is the vertical line test?
300
The following three points are contained in the graph of a line: (2, 1), (4, 0), and (6, -1). What is the slope of the line?
What is -1/2?
300
7x + 2y = 24 Solve.
8x + 2y = 30
What is (6, -9)?
300
Trinity flew from Atlanta to Orlando. The distance between the two cities is 288 miles and the flight lasted 1 hour and 45 minutes. What is the speed of the plane in miles per hour? (Round to the nearest whole number)
What is 165 mph?
300
On a number line, the square root of 8 would fall between these two whole numbers.
What is 2 and 3?
400
Name one thing that makes an equation nonlinear.
What is an exponent greater than 1
400
The slope of the line with the equation 2x + y = 4.
What is -2?
400
3x − 2y = 2 Solve.
5x − 5y = 10
What is (-2, -4)?
400
Two angles are supplementary. One of them is three times the other. Find the measure of the larger angle.
What is 135?
400
When dividing scientific notation expressions, you _____ the first factors and ________ the exponents.
What is divide the first factors and subtract the exponents?
500
Which ordered pair represents a point that would lie on the graph of the linear function y = 2x - 4? Explain how you know.
(2, 4) (6, 8) (-2, 0) or (5, 1)
What is (6, 8) because if you plug in 6 for x into the linear function, the correct output is 8.
500
The slope of the linear function -3x - 4y = 12.
What is -3/4?
500
The sum of two numbers is 245, their difference is 185. What are the two numbers?
What is 215 and 30?
500
Kevin finished the 200 meter dash in 13.25 seconds. How fast did Kevin run? (Make sure to include the correct units and round to the nearest whole)
What is 15 meters per second?
500
The perimeter of a rectangle is 74. The length is 5 more than the width. Find the width.