Vocabulary
Graphs
Equations
Tables
Linear Relations
100
The initial value on your graph.
What is the y-intercept?
100
The value for y in the equation y = x + 9 when x = 5?
What is 14?
100
A Linear Relationship that has a slope of -2 and a y-intercept of 5.
What is y = -2x + 5?
100
In the equation, y = 3x -7, when x = 0.
What is -7?
100
Change in the y-value, divided by the change in the x-value.
What is the slope (of a line)?
200
Also called "rise over run".
What is the slope of a line?
200
What type slope would the equation y = 2x - 4 have?
What is 2? (or positive)
200
A Linear Relationship that has a slope of 2 and a y-intercept of -5.
What is y = 2x + 5?
200
In the equation, y = -3x + 7, when x = 0.
What is 7 (or +7)?
200
The unit rate when you are talking about mileage.
What is miles-per-gallon?
300
Graph-table-equation.
What is a Linear System?
300
A line graph's slope that is parallel to the x-axis.
What is 0?
300
A Linear Relationship that has a slope of -1/2 and a y-intercept of 3.
What is y = -1/2x + 3?
300
In the equation, y = -3x + 7, when x = 0.
What is 7 (or +7)?
300
The ratio of amount of pages read and the time it took to read them.
What is pages-per-hour (also acceptable: pages-per-minute; pages-per-day, etc.)?
400
(x, y)
What is an ordered pair?
400
A line graph's slope that is parallel to the y-axis.
What is undefined?
400
A Linear Relationship that has a slope of 1/2 and a y-intercept of -3.
What is y = 1/2x + 3?
400
In the equation, y = 1/3x + 7, when x = 3.
What is 8?
400
A rate of pay displayed as dollars per hour.
What is unit rate?
500
y=mx+b
What is the slope-intercept form of an equation?
500
Another term for a graph.
What is Coordinate Plane?
500
A Linear Relationship that has a slope of 0 and a y-intercept of -2.
What is y = -2?
500
An equation with a y-intercept of -1/2 and a slope of 1/3.
What is y = 1/3x - 1/2
500
The relation of the slopes between lines that are perpendicular.
What are negative reciprocals?
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