

Slope
Presentation
•
Mathematics
•
7th - 9th Grade
•
Medium
Standards-aligned
Jeremy Tinsley
Used 14+ times
FREE Resource
8 Slides • 20 Questions
1
Slope
"Steepness" of a line
Constant rate of change
Rise over Run

2
Slope from a graph
From Left to Right
Positive - Going up
Negative - Going down
Undefined - Vertical line
Zero - Horizontal Line
3
Multiple Choice
What type of slope?
Zero
Undefined
Positive
Negative
4
Multiple Choice
What type of slope?
Zero
Undefined
Positive
Negative
5
Multiple Choice
What type of slope?
Zero
Undefined
Positive
Negative
6
Multiple Choice
What type of slope?
Zero
Undefined
Positive
Negative
7
Finding the slope from a graph
Count up or down from one point to the other point(change in y)
Count left or right to the other (change in x)
Note: Up is positive and down is negative
Note: To the right is positive and to the left is negative
8
Multiple Choice
Find the Slope
31
−31
3
-3
9
Multiple Choice
Find the Slope
23
−23
32
−32
10
Finding slope from two points
Identify (x1 ,y1) and (x2,y2)
Use slope formula
11
Multiple Choice
Find the slope using two points:
(3,4) and (1,8)21
2
−2
−21
12
Multiple Choice
Find the slope using two points:
(3,4) and (−1,−8)31
3
−3
−31
13
Multiple Choice
What is the formula used to find the slope using two points?
y = mx + b
Ax + By = C
m = x2 −x1y2−y1
m = runrise none
14
Multiple Choice
What is the formula used to find the slope using the graph?
y = mx + b
Ax + By = C
m = x2 −x1y2−y1
m = runrise
15
Finding slope from an equation
Slope-intercept form (y = mx + b)
Standard form (Ax + By = C)
16
Slope-intercept form y = mx + b
m = slope; b = y-intercept (location where the line crosses the y-axis)
y = 2x + 3
slope(m) = 2 or 12 y-int, b = +3
slope(m) = −35 y-int,b = −9
17
Standard form Ax + By = C
m = B−A b = BC
2x + 3y = 9
A = 2 B=3 and C=9
slope(m) = m = −BA=3−2
y-int, b = b = BC=+39
18
Multiple Choice
Find slope of the equation
−58
85
8
−8
19
Multiple Choice
Find slope of the equation
−34
43
4−3
34
20
Multiple Choice
Find slope of the equation
−35
53
5−3
35
21
Multiple Choice
Find slope of the equation
−17= −7
17=7
7−1
71
22
Find Slope from table
Find the change in the y-values by subtracting from one row to the next.
Find the change in the x-values by subtracting from one row to the next.
Divide the difference in the y-values by the difference in the x-values.
23
Multiple Choice
Find slope from a table
41
4
−41
−4
24
Multiple Choice
Find slope from a table
52
25
−52
−25
25
Poll
How did you study to understand slopes?
Teacher given worksheets
Khan Academy
CK-12
Canvas
Internet
26
Poll
Do you think you need tutoring to find the slope?
Yes
No
27
Poll
Would you like to use QUIZIZ again?
Yes
No
28
Open Ended
Comments?
Slope
"Steepness" of a line
Constant rate of change
Rise over Run

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