Point Slope Form
Presentation
•
Mathematics
•
8th - 10th Grade
•
Hard
+2
Standards-aligned
James Gonzalez
FREE Resource
9 Slides • 8 Questions
1
How to write an equation of a line given 2 points
2
3
Multiple Choice
What is the slope of the line through the points (4, 0) and (-1, 10)?
-10/3
3/10
2
-2
4
5
Multiple Choice
If I want to write the equation in slope-intercept form Y=mx+b then I also need to know what?
x-intercept
y-intercept
incline
6
I can use the point (4 ,0) to find b
0 = -2(4) +b
7
Multiple Choice
Solve 0 = -2(4) +b
b = -2
b = -8
b = 4
b = 8
8
Since m = -2 and b = 8 the equation is y=-2x+8
9
is another way to find the equation of a line given 2 points
10
Fill in the Blanks
In order to write the equation of a line through the points
(4,2) and (6,-6) you must first find the slope.
Type answer...
11
Fill in -4 for the slope (m)
Choose a point to fill in for (x1 , y1)
We will use (4 ,2)
y-2 = -4 (x-4)
12
Open Ended
What do you get when you distribute in the equation
y-2 = -4 (x-4)?
13
Multiple Choice
What should be done to the put the equation y-2 = -4x + 16
into slope-intercept form (y=mx+b)?
Subtract 16 from both sides
Subtract 2 from both sides
Add 2 to both sides
Divide both sides by -2
14
You can get this answer using
Slope-Intercept form: y=mx+b or
Point-Slope form: y-y1 = m (x-x1)
15
https://youtu.be/LtpXvUCrgrM
16
Multiple Choice
What should be done to the put the equation y-2 = -4x + 16
into slope-intercept form (y=mx+b)?
Subtract 16 from both sides
Subtract 2 from both sides
Add 2 to both sides
Divide both sides by -2
17
Dropdown
y+1=−3(x−5) ,
and has a slope of
How to write an equation of a line given 2 points
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