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2017­1­24 Slope Intercept Form.notebook
January 25, 2017
Wednesday, 1/25/2017
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Worksheet on Slope and Y-Intercept
Warm UpWhat does the word intercept mean?
What is a y - intercept? x - intercept?
2017­1­24 Slope Intercept Form.notebook
Homework Questions?
January 25, 2017
2017­1­24 Slope Intercept Form.notebook
3
16)
18)
8
3 (3 )
-6
January 25, 2017
-5
17)
2
-3
2
19)
7
-7
7
10
10 (10 )
-7
20) Find the value of x and all missing angle measures.
2x
x + 112
Equation
y = 2x + 2
3
Slope
y - intercept
2017­1­24 Slope Intercept Form.notebook
Equation
January 25, 2017
Slope
y - intercept
y = 4x - 6
Given an equation in slope - intercept form:
y = mx + b
m will always be the slope
and
b will always be the y-intercept
2017­1­24 Slope Intercept Form.notebook
January 25, 2017
So... Given the slope and y-intercept,
can you find the equation of the
line?
1.
slope = -5
y-intercept = 4
Equation ________________
2.
3.
m = 2 b = -2
3
Equation ________________
slope = 3
y-intercept = 4
Equation ________________
4.
__
1
m = -3
2
Equation ________________
b =
2017­1­24 Slope Intercept Form.notebook
January 25, 2017
5. If the equation of a line is y = 5x - 2,
what is the slope? What is the y-intercept?
slope____________
y-intercept_______
6. If the equation of a line is 2x + y = 5,
what is the slope? What is the y-intercept?
slope____________
y-intercept_______
Find the slope and the y­intercept.
y = ­3x + 7
y = 2x ­ 10
5
y ­ 9 = 2x
8x + y = ­7
y = 4x
y = ­1x
8
Which two are different then the rest??
2017­1­24 Slope Intercept Form.notebook
January 25, 2017
Find the equation of the line:
m = ____
y-intercept = _____
Equation:
m = ____
y-intercept = _____
Equation: