Vocabulary
Equation Formulas
Representation
Questions
Solving
100
What is a linear function
A function that represents a straight line on a coordinate plane
100
What is slope intercept form of a linear equation?
y = mx + b
100
What does "b" represent in equation y=mx+b
y-intercept
100
What are the 4 different types of slopes you can have?
(I'll give you one: positive)
Positive, Negative, Zero, and Undefined
100
What is the equation in slope-intercept form if:
1) slope = 2 and y-intercept = -3
y = 2x - 3
200
What is slope? Define it using vocabulary words.
Constant rate of change, the direction and steepness of a line.
200
On a graph, if you make a right triangle from point to point on a line, slope is calculated by putting the _______ over the ________.
Rise over Run, Height over Base
200
What does "m" represent in slope-intercept form (y=mx+b)
Slope
200
An undefined slope is what kind of line?
Vertical line
200
Calculate the slope of this line segment.
m = -2/4 or -1/2
300
What is an x-intercept?
Where the line crosses the x-axis
300
What is the formula for slope when given two points?
y2 - y1
-------- = m
x2 - x1
300
In the equation y = 3x + 5, what is the slope? What is the y-intercept?
Slope = 3
y-intercept = 5
300
A zero slope is what kind of line?
Horizontal line
300
Find the slope between the pair of points
1. (-1, 9) and (2, 3)
1. -6 / 3 = -2
400
What is a y-intercept?
Where the line crosses the y-axis
400
What does the "m" represent in the equation y=mx+b
The Slope
400
When graphing a linear equation, what is your first point?
What is your second point?
1) b - y-intercept
2) m - slope rise/run
400
if x = 0, will that be your x-intercept or y-intercept?
eg. (0, 4)
y - intercept
400
Write the equation of the line in y=mx+b form.
y=2x+1
500
What two things have to be true of a graph of a linear relationship to be PROPORTIONAL?
1. straight line
2. pass through origin (0,0)
500
DAILY DOUBLE
Vertical lines are special because they have an undefined slope and no y-intercept. What do equations of vertical lines start with?
x = ____
500
Write word problem that would show a linear relationship.
Example Answers:
figuring out income
overtime
calculation of mileage
500
if y = 0, is that your x-intercept or y-intercept?
eg. (7, 0)
x-intercept
500
Daily Double
Find the missing value using the given slope
(-3, -2) and (x, 6); m = 2
x = 3