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Algebra 3
Name ___________________________ Pd____
WS Intercepts and Graphing Lines
Page 196 #1-8 List the x and y intercepts for the graphs shown.
1. x int _____________
y-int. ________________
2. x int _____________
y-int. ________________
3. x int _____________
y-int. ________________
4. x int _____________
y-int. ________________
5. x int _____________
y-int. ________________
6. x int _____________
y-int. ________________
7. x int _____________
y-int. ________________
8. x int _____________
y-int. ________________
Graph each equation by finding and plotting x and y intercepts.
9. x – y = - 3
10. x = 2y
12. y  
2
x 1
3
13. 9x - 6y + 12 = 0
15. What is the greatest number of intercepts for a line?
11. 2x +3y=6
14. x = 8
16. What is the least number of intercepts for a line?
17. Always, Sometimes, or Never
A horizontal line has an x intercept.
18. Draw a line parallel to the line x = 5 that intersects the x-axis at (1,0). What is the equation of this line?
19. The revenue for a group of famous amusement parks and resorts, y (in millions of dollars) for the years 20032006 can be approximated by the equation y = 1181x + 6505, where x represents the number of years after
2003.
a.
Find the y-intercept of the equation.
b.
What does the y-intercept mean in this application?
20. The average price of a compact video camera, y (in dollars) can be modeled by the linear equation y = -78.1
x + 491.8 where x represents the number of years after 2000.
a.
What is the y-intercept of this equation?
b. What does this y-intercept mean in this application?