December 19, 2016
Warm up:
Find the slope of the line through the given
points.
1) (9, 5) and (2, -8)
2) (-1, -5) and (4, 2)
December 19, 2016
Find the slopes of the following functions.
1) y = 3x + 1
2) y = -2x - 5
3) y = (2/3)x
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December 19, 2016
y = 2x + 4
y = 2x + 1
y = 2x - 1
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December 19, 2016
Slope-intercept Form
y = mx + b
m = slope
b = y-intercept
(the point at which the line
intersects the y-axis)
December 19, 2016
December 19, 2016
y = 2x + 1
December 19, 2016
y = -4x + 8
December 19, 2016
y=x-3
December 19, 2016
y = (2/3)x - 5
December 19, 2016
y = -(3/4)x + 2
December 19, 2016
y=5
December 19, 2016
x = -7
December 19, 2016
McQuiz Solutions
1) x2+3x-40
6) 36x2-120x+100
2) 28x2-25x+3
7) (p-4)(p-2)
3) 6a6-30a5+24a4
8) (x-7)(x+2)
4) (5x+9)(5x-9)
9) (3x-7)(2x+5)
5) 9(n-2)2
10) b=(w-c)/a; a/=0
December 19, 2016
December 19, 2016
December 19, 2016
1) y = 5x - 9
5) y = -3x + 7
2) y = -3
6) x = 6
3) y = -(2/5)x
7) y = x
4) y = (3/2)x - 4
8) y = -x
December 19, 2016
1) y = 5x - 9
December 19, 2016
2) y = -3
December 19, 2016
3) y = -(2/5)x
December 19, 2016
4) y = (3/2)x - 4
December 19, 2016
5) y = -3x + 7
December 19, 2016
6) x = 6
December 19, 2016
7) y = x
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8) y = -x
December 19, 2016
2x + 3y = 9
December 19, 2016