Slope
y-intercept
Vocabulary
Function or fake
Wild Card
100
Find the slope of (5, 4) (6, 7).
What is 3?
100
Find the y-intercept from (1, 2) m=2
What is b = 0?
100
The place where the function crosses the y - axis.
What is the y-intercept?
100
This "test" uses a vertical line to see if a graph is a function.
What is the Vertical Line Test?
100
Describe a line with an undefined slope.
What is vertical?
200
Find the slope of (2, 6) (1, 8).
What is -2?
200
Find the y-intercept from (2, 5) m = 3.
What is b = -1
200
The steepness of a linear function.
What is the slope?
200
In a function, every input (x) must have exactly how many outputs y)?
What is one?
200
Describe a line with a zero slope.
What is horizontal?
300
Find the slope of a line passing through (0,0) and (3,9).
What is 3?
300
Find the y-intercept (-2, 3) m = -4
What is b = -5
300
y=mx+b
What is slope intercept form?
300
Is a circle a function?
No
300
Name the y-intercept in the following equation.
y = 5x
What is 0?
400
A line drops 4 units for every 2 units it moves to the right. What is its slope?
What is -2?
400
Find the y-intercept (2, 3) (3, 4).
What is b = 1
400
Which shows a greater rate of change - the table or the equation?
y = 2x + 6
What is the table? It has a slope of 3 and the equation has a slope of 2.
400
Is the set of points {(1, 2), (2, 2), (3, 2)} a function?
Yes—different inputs can have the same output!
400
Name the slope in the following equation.
y = x + 8
What is 1?
500
Find the slope (-5, 2) (-5, 4).
What is undefined?
500
Find the y-intercept (-4, 6) (-2, 5)
What is b = 4?
500
Which of the following represents a linear function?
A. y=3x^3
B. y=x^2-4
C. y=-1/2x+5
What is C? Equations raised to powers are nonlinear.
500
Does the equation x = 5 represent a function?
No, it’s a vertical line.
500
True or False: All proportional relationships are functions.
True.