Rate of Change and Slope
More Slope
X & Y Intercepts
Evaluating Linear Functions
Random
100
DESCRIBE the slopes of lines a, b and c.
Lines a and b have positive slopes and line c has a negative slope
100
The relationship between the distance a car is driven, y, and the number of gallons of gas used, x, is linear.
The slope is 30/1.
Interpret the slope.
You use 1 gallon of gas for every 30 miles driven.
100
8) Calculate the x and y-intercepts for the equation. Write your answers as ORDERED PAIRS!
x-intercept = (-3, 0)
y-intercept = (0, 2)
100
At an amusement park, a person spends $30 on admission and food, and then goes on R number of rides that cost $2 each.
Write an equation that represents the total amount spent, is the person goes on R rides.
A(R)=30+2R
y=30+2R
100
Is this a function? EXPLAIN. 
Not a function because the input value 5 is mapped to two outputs, 7 and 10.
200
2) Find the slope of the line.
200
A horizontal line includes the points (0, -5) and (2, -5). Find the slope of the line.
0
200
9) Calculate the x and y-intercepts for the equation. Write your answers as ORDERED PAIRS!
x-intercept = (2, 0)
y-intercept = (0, 1.5)
200
Is this linear? h(t) = 2x2
No
200
Is this graph a function or not? EXPLAIN
Not a function because it does not pass the vertical line test
300
4) Find the slope from the table.
2/3
300
What is the slope of the vertical line with points (3, 6) and (3, -6)?
Undefined
300
8) Graph each equation using x- and y-intercepts. SHOW YOUR WORK for finding the intercepts.
300
The function C(x) = 75x-25 represents the cost in dollars for x tickets bought for a basketball game. Is this linear?
Yes
300
Is this a function or not?
YES it is a function. It passes the Vertical Line Test.
400
6) Find the slope from the points.
-1/2
400
Find the slope
y=2/3x+1
400
Which line has the smaller x-intercept?
-4x+2y=8 or 2x+3y=18
-4x+2y = 8 with an x-intercept of -2.
400
The function C(x) = 75x-25 represents the cost in dollars for x tickets bought for a basketball game. Is this a discrete or continuous function?
Discrete
400
What is the standard form of a linear function?
Ax + By = C
500
7) Find the slope from the points.
-7/9
500
Find the slope
y=-1/2x+2
500
9) Graph each equation using x- and y-intercepts. SHOW YOUR WORK for finding the intercepts.
500
At an amusement park, a person spends $30 on admission and food, and then goes on R number of rides that cost $2 each.
The person goes on anywhere from 0-5 rides.
State the appropriate domain and range.
Domain: {0, 1, 2, 3, 4, 5}
Range:{30, 32, 34, 36, 38, 40}
500
What is Mr. Braun's dog's name?
Penny