Vocabulary
Finding Slopes
Graphing
Compare Unit Rates
Multiple Representations
100
the steepness of a line; often referred to as rise over run
What is the slope?
100

What is the slope a line that goes through the points (3,2) and (6,8)?

What is 2?

100
In the equation y=4x+1, if x is 0, what is y?
What is 1?
100

Omi's car speed is represented by the equation 64T=D... Emily's car travels at the 110 miles in 2 hours. By how much is Omi's car faster than Emilys?

10 miles per hour faster.

100

Two lines that intersect at right angles are what? If you multiply the slopes of two lines and you get -1, the lines will be this.

What is perpendicular?

200
Two lines that will never intersect. They will always have the same slope.
What are parallel lines?
200
What is the slope a line that goes through the points (-2,4) and (4,7)?
What is 1/2?
200
In the equation y=-3x+2, what is the y-intercept?
What is 2?
200

A cell phone plan costs $10 per month plus $0.10 for each minute used. Last month, you spent $18.50 using this plan. This can be modeled by the equation below: 0.1m + 10 = 18.5. How many minutes did you use last month? (Solve for m)

What is 85 minutes?

200
Two other names for the constant of proportionality are what?
What are unit rate and slope?
300
On the coordinate plane, another name for 0,0.
What is the origin?
300

Graph the equation on your board... y=1/4x

Mrs.Andre will check your board!

300
In the equation 2x + y=6, what is the y intercept?
What is 6?
300
A boa constrictor is 18 inches long at birth and grows 8 inches per year. Write an equation that represents the length y (in feet) of a boa constrictor that is x years old.
What is y=8x + 18?
300
What is the equation for a proportional relationship and the equation for a nonproportional relationship?
What are y=mx and y=mx + b?
400
How much it is for one of something.
What is unit rate?
400

A graph with a Horizontal line... the slope is ...

0

400
What is the slope and y-intercept of this equation? y = -x + 3
What are -1 and 3?
400
You organize a garage sale. You have $30 at the beginning of the sale. You earn an average of $20 per hour. Write an equation that represents the amount of money y you have after x hours.
What is y = 20x + 30?
400
If a graph is proportional, the line will always go through the what?
What is the origin?
500
When two sets of coordinates change at the same rate or constant, the relationship is said to be what?
What is proportional?
500
Write an equation in point slope form for the line that passes through 0,3 and has a slope of -2
What is y = -2x + 3?
500
One of your friends gives you $10 for a charity walkathon. Another friend gives you an amount per mile. After 5 miles, you have raised $13.50 total. Write an equation that represents the amount y of money you have raised after x miles.
What is 5x + 10 = 13.50?
500
If it costs $68 for 4 pairs of earrings, what is the unit rate?
What is $17?
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