17) Write an equation of the line with a slope of 8 and a y-intercept of -7. ____________________________
8
−
18) Write an equation of the line with a slope of
and a y-intercept of 6. ____________________________
3
For each of the following graphs of lines:
a) Find the slope
b) Find the y-intercept in coordinate form [example: (0, -3)]
c) Find the equation of the line in slope-intercept form.
19)
20)
a) slope = _________
a) slope = _________
b) y-int = _________
b) y-int = _________
c) ___________________________
c) ___________________________
21)
22)
a) slope = _________
a) slope = _________
b) y-int = _________
b) y-int = _________
c) ___________________________
c) ___________________________
For each of the following, you will be finding the equation of the line that passes through the given points.
a) Find the slope (Clue: there is a formula for this, and you’ve written it earlier on this paper)
b) Identify the y-intercept between the two given coordinates
c) Find the equation of the line in slope-intercept form.
(
) (
)
(
) (
)
−
−
23)
24)
0, 0 , 4,
2
2, 6 , 0, 3
a) slope = _________
a) slope = _________
b) y-int = _________
b) y-int = _________
c) ___________________________
c) ___________________________