Analyze functions that model linear relationships. β’ Understand that a linear relationship can be generalized by π¦ = ππ₯ + π. β’ Write an equation in slope-intercept form to model a linear relationship by determining the rate of change and the initial value, given at least two (π₯, π¦) values or a graph. β’ Construct a graph of a linear relationship given an equation in slope-intercept form. β’ Interpret the rate of change and initial value of a linear function in terms of the situation it models, and in terms of the slope and π¦- intercept of its graph or a table of values.
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Q 1/4
Score 0
What does the slope of the graph of this equation represent?
300
The slope is 0.5 and means he pays $0.50 for a daily fee.
The slope is 0.5 and means he pays $0.50 per mile he drives
The slope is 10 and means he pays $10 per mile he drives.
The slope is 10 and means he pays $10 for a daily fee.
Q 2/4
Score 0
What does the y-intercept of the graph of this equation represent?
300
The y-intercept is 3 and means the monthly fee he pays to the gym.
The y-intercept is 10 and means he pays $10 per visit to the gym.
The y-intercept is 3 and means he pays $3 per visit to the gym.
The y-intercept is 10 and means the monthly fee he pays to the gym.
4 questions
Q.
What does the slope of the graph of this equation represent?
1
300 sec
NC.8.F.4
Q.
What does the y-intercept of the graph of this equation represent?
2
300 sec
NC.8.F.4
Q.
Which linear equation in slope-intercept form would model the following situation: You rent a bicycle for $20 plus $2 per hour.
3
300 sec
NC.8.F.4
Q.
Which linear equation in slope-intercept form would model the following situation: An auto repair shop charges $50 plus $25 per hour.
