Identify Linear Functions
y-intercept
Slope
Slope-Intercept Form
Random Math
100
What is a function whose graph forms a straight line called?
linear function
100
What is the y-coordinate of the point where the graph intersects the y axis called?
What is the y intercept
100
What is the slope of a horizontal line?
Zero
100
What is slope intercept form?
y=mx+b
100
If ABC was dilated from the origin to create A'B'C', what was the scale factor? 
Scale factor: 2
200
Is the equation linear or nonlinear y=x4
nonlinear
200
Find the y intercept: 2x- 4y=8
y=-2
200
What is the slope of a vertical line?
Undefined
200
Write the equation in slope intercept form: slope=0, y intercept =-5
y=-5
200
If ABC was dilated from the origin to create A'B'C', what was the scale factor?
Scale Factor: 3
300
Is the equation linear or nonlinear?
4y=x+20
linear function
300
Find the y intercepts of 3x+4y=24
y=6
300
Find the slope of (4,-2) and(-1,2)
What is -4/5
300
Write the equation in slope intercept form: slope=4 and (2,5) is on the line
y=4x-3
300
A cell phone plan costs a monthly fee of $20 plus $0.10 per text message.
Write the equation for the total monthly cost C based on the number of texts t
C=20+0.10t
400
Tell whether the set of ordered pairs satisfies a linear function. Explain (2,4), (5,3) (8,2), (11,1)
Yes, constant change in 3 for x. Constant change of -1 in y
400
Find the y intercepts of 3x- 2y=12
y=-6
400
Find the slope of (20,3000) and (60,2000)
What is -25
400
Write the equation in slope intercept form: 3x+2y=8
y=(-3/2)x+4
400
A taxi company charges a flat fee of $5 plus $2 per mile.
Write the equation for the total cost C for m miles.
C=2m+5
500
Tell whether the set of ordered pairs satisfies a linear function. Explain (2,4), (5,6) (8,2), (11,8)
No, constant change in 3 for x. however no constant change for y
500
Find the y intercepts of 2x + 4y=8.
y=2
500
Find the slope of the equation: 6x + 5y=30
What is -6/5
500
Write in slope-intercept form: 9y-36=-15x
y = -5/3 x + 4
500
If you picked random math for 500 - how much should you get if you solve the problem correctly?
500 :)