Name
LESSON
5-6
Date
Class
Practice C
Slope-Intercept Form
Write the equation that describes each line in slope-intercept form.
3; y-intercept  1
1. slope  __
2. slope  3,  3, 4  is on the line.
2
4 ;  7, 8  is on the line.
4. slope   __
7
3. slope  0; y-intercept  8
5. The line that passes through  1, 5  and
 4, 4 .  Hint: Find the slope first. 
Write each equation in slope-intercept form. Then graph the line
described by the equation.
6. y  2  3x
7.x  y  2
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8. 2y  3x  4
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9. The Johnsons are putting new carpet in their home.
Installation is $300 and the carpeting costs $4 per
square foot. The total price of the job as a function of
area is shown in the graph.
b. Identify the slope and y-intercept and describe their
meanings.
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a. Write an equation that represents the total price as
a function of area.
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c. Find the total cost if the area is 375 square feet.
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Copyright © by Holt, Rinehart and Winston.
All rights reserved.
a107c05-6_pr.indd 45
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