Chapter 3 Review. Write an equation in slopeâintercept form for the graph of each line. 1. 2. 3. What are the slope and y-intercept for the graph of...
NAME _____________________________________________ DATE ____________________________ PERIOD _____________
Chapter 3 Review Write an equation in slope–intercept form for the graph of each line. 1.
2.
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3. What are the slope and y-intercept for the graph of y – 7x = 10? slope______________________________________y-intercept_
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4. What are the x- and y-intercepts for the graph of 2x – 5y = 10? x-intercept__________________________________y-intercept__________________________________________ 5. David is having his birthday party at a water park. The park charges $150 plus $10 per guest. The total cost of the party y can be represented by the equation y = 10x + 150. What does the slope represent? _____________________________________
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6. Write an equation in point–slope form for the line that passes through (3, –1) and has a slope of 2. ______________________________________________________________________________________________ 7. State the x– and y–intercepts for the graph of –2y – 5x = –20. x-intercept__________________________________y-intercept__________________________________________ 1
8. The slope of a line is 2. One point on the line is (–2, 5). What is another point on the line? ______________________________________________________________________________________________ 9. The points in the table lie on a line. What is the value of y when x is 8? ____________________________________________________
Course 3 • Chapter 3 Proportional Relationships and Slope
x
y
0
1
1
3 2
2
2
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NAME _____________________________________________ DATE ____________________________ PERIOD _____________
10. What are the slope and y-intercept for the graph of y – 4x = –2? slope______________________________________y-intercept_
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11. What is the equation in slope-intercept form for the graph shown at the right? ___________________________________________________ 12. What are the x- and y-intercepts for the graph of –3x + 5y = –15?
13. Geneva is saving for a new dress. She already has $20 saved and intends to save $7 each week. The equation for the amount of money y she has saved is y = 7x + 20, where x is the number of weeks. What do the slope and yintercept represent? slope__________________________________ y-intercept_
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14. What is the equation in slope-intercept form for the line that passes through the points (–2, –1) and (1, 5)?
_____________________________________________________________________________________________ 15. Kenneth is comparing health insurance plans. The first plan has a flat fee of $250 per month plus $35 per doctor's visit. The second plan has a flat fee of $375 per month plus $15 per doctor's visit. What is the difference in dollars of the two plans for five doctor's visits for eight months? __________________________
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16. The table shows the print speed of an office printer. How many pages can the printer print in two hours?
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28
Minutes
Pages per Minute
3
45
4
60
5
75
Course 3 • Chapter 3 Proportional Relationships and Slope
