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(6 – 2) Homework Pages 320 – 323 #’s 2 – 8 even, 28 – 38 even, 42, 45, 46, 80, 81
Find the slope and y-intercept of each equation. Write the y-intercept as an ordered
pair.
1
2. y   x  2
4. y = 5x + 8
6. y = –4x
8. y = –0.7x – 9
2
slope:
slope:
slope:
slope:
y-intercept:
y-intercept:
y-intercept:
Use the slope and y-intercept to graph each equation.
1
28. y  x  4
30. y = –5x + 2
2
32. y = x + 4
34. y = 4x – 3
y-intercept:
36. y 
2
x3
5
38.
4
y x4
5
Find the slope and y-intercept of each equation. Write the y-intercept as an ordered
pair. Solve the equations for y first.
1
42. y  x  0
45. 2y – 6 = 3x
46. –2y = 6(5 – 3x)
2
slope:
y-intercept:
slope:
y-intercept:
slope:
y-intercept:
80. Which equation has the same y-intercept as y = 4x – 3?
a. y – 3 = x
b. y = 8x + 3
c. 3 – y = 4x
d. y = –3 + 8x
81. Which of the following is the equation of the line that has the same slope as
3
y   x  2 and the same y-intercept as y = 3x – 2?
2
3
3
3
3
a. y  2   x
b.  x  y  2
c. y  2  
d.  x  y  3
2
2
2
2
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