Label the m and b
m=? b=?
y = 2x + 10
m=2 b=10
(5, 7) and (3, 6)
1/2
Write an equation in slope-intercept form when slope = 1/2 and the y-intercept is 5
y = 1/2x + 5
5x + y = 5
y = -5x + 5
Draw a Positive Slope
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m=? b=?
y = 3x + 21
m=3 b=21
(2, 5) and (8, 1)
-4/6 = -2/3
Write an equation in slope-intercept form when slope = 4 and the y-intercept is-3
y = 4x - 3
y + 2x = -5
y = -2x - 5
Draw a Negative Slope
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m=? b=?
y = 4x + 20
( 12 , -5) and ( 8 , 7)
-3/1
Write an equation in slope-intercept form when slope = 3 and the y-intercept is 2
y = 3x + 2
6x + 2y = 24
y = -3x + 12
Draw an Undefined Slope
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m=? b=?
y = 3/4x - 12
m=3/4 b=-12
(8, -2) and (-6, -2)
0/-14 = Zero
Write an equation in slope-intercept form when slope = -7 and the y-intercept is -4
y = -7x - 4
5x + 4y = 16
y = -5/4x + 4
Draw a Zero Slope
m=? b=?
y = 1/2x + 2
m=1/2 b=2
(3, -2) and (3, -1)
-3/0 = Undefined
A charm bracelet costs $65, plus $25 for each charm. Write an equation in slope-intercept form that represents the cost (y) of the bracelet, where x is the number of charms.
y = 25x + 65
21x - 7y = 14
y = 3x - 2
Is the slope positive or negative?
y = -3x + 10
Negative