Types of Slope
Linear Functions
Writing Equations
Scatter Plots
Two Way Tables
100
What is the slope of the line that contains these points?
8
100
Find the output, k, when the input, x, is −5.
k = 6x + 100
70
100
What is the equation for Slope-Intercept form?
y=mx+b
100
What is the best description of the relationship in the scatterplot below?
A. Positive Association
B. Negative Association
C. Nonlinear Association
D.No Association
Negative Association
100
Students were surveyed about their preference between dogs and cats. The following two-way table displays data for the sample of students who responded to the survey.
How many females in the sample had no preference?
6
200
Find the slope of the line.
-2/3
200
Archimedes drained the water in his tub.
The amount of water left in the tub (in liters) as a function of time (in minutes) is graphed.
How long did it take the water to completely drain?
5 minutes
200
Write and equation that represents this graph?
y= 4/5x - 7
200
What is the best description of this relationship?
A. Positive Linear Association
B. Negative LinearAssociation
C. Nonlinear Association
D.No Association
No Association
200
A university surveyed its students on their opinions of campus housing. The following two-way table displays data for the sample of 200 students who responded to the survey.
Of students in the sample, what fraction were male?
90/200
300
What is the slope of the line?
Undefined
300
Which function has a greater slope?
Function 1
300
Write the equation of the line.
y=2x+4
300
The graph shown below describes the change in the average temperature of the world over time.
What is the best description of this relationship?
A. Positive Linear Association
B. Negative LinearAssociation
C. Nonlinear Association
D.No Association
Positive Linear Association
300
A university surveyed its students on their opinions of campus housing. The following two-way table displays data for the sample of 200 students who responded to the survey.
Of students in the sample, what fraction had a neutral opinion of campus housing?
26/200
400
Find the slope of the following points.
(2, 3) and (-4, -1)
2/3
400
Which function has a greater y-intercept?
Function 1 and Function 2 are the SAME.
400
Devora tested an engine. As each engine rotation got faster, its temperature increased at a constant rate.
The first engine's temperature (in degrees Celsius) as a function of its rotation speed (in cycles per second) is given by the following table of values:
Determine the slope of the engine.
0.8
400
The graph below shows the relationship between test grades and the amount of time the students spent studying in Dexter's class.
Which statement is the best description of the association between these variables?
A
400
Teams in the National Football League in America are divided into two conferences: the AFC and the NFC. Some teams have animals as their mascots, and others do not. The following two-way table displays this data.
What percent of teams are in the AFC?
Round your answer to the nearest percent.
50%
500
What is the slope of the line (−2,−6) and (2,2)?
2
500
Amira and Mandisa sell balloon animals at different stands on the boardwalk. They each use a constant number of balloons per animal.
Amira started with a total of 260 balloons today, and she uses 4 balloons for each balloon animal she makes.
The remaining number of balloons in Mandisa's stand as a function of the number of balloon animals she made today is given by the following table of values:
Who uses more balloons for each balloon animal?
Mandisa
500
Hillel is juggling flaming torches to raise money for charity. His initial appearance raises $500, and he raises $15, for each minute of juggling performance.
The amount R of money Hillel raises is a function of t, the length of his performance in minutes.
R = 15t + 500 or y = 15x + 500
500
An international cake competition attracted 50 bakers from around the world. The graph shown below displays the relationship between the amount of sugar in the cakes (in grams per 100 grams of cake) and the scores the cakes received.
Which statement is the best description of the association between these variables?
A
500
The two-way frequency table below shows data from a random sample of 93 students on their favorite season and whether or not the student has allergies.
D