
8.9.3-Develop Graphing a Linear Equation of the Form y = mx + b
Presentation
•
Mathematics
•
9th Grade
•
Medium
+2
Standards-aligned
Jessica Freeman
Used 3+ times
FREE Resource
15 Slides • 19 Questions
1
2
Multiple Choice
3
Multiple Choice
2nd
4
Multiple Choice
The slopes of parallel lines are...
the same
opposite
always different
5
Multiple Choice
y = -1/3x - 5
y = 1/3x + 2
6
Multiple Choice
Are these two lines parallel, perpendicular or neither?
y = -1/4 x - 5
y = 4x + 2
Parallel
Perpendicular
Neither
7
Multiple Choice
8
Multiple Choice
A
B
C
D
9
Multiple Choice
the same.
undefined.
10
Multiple Choice
the same.
undefined.
11
Multiple Choice
12
Match
Match the following graphs to the systems of equations
y=32x+1
y=32x−2
y=−x+7 y=2x+1
y=−2x+4 y=−2x+4
13
Multiple Choice
How do you know if two lines are PARALLEL?
their slopes are the same
their slopes are negative reciprocals
their y-intercepts are the same
their y-intercepts are negative reciprocals
14
Multiple Choice
If you graph a system of equations and see PARALLEL LINES, what does this mean about the solution to the system?
no solution
one solution
perpendicular lines
infinitely many solutions
15
Multiple Choice
How will you know if a system of equations has ONE SOLUTION?
the lines will intersect
the lines will be parallel
the lines will be the exact same line
the lines will be curvy
16
17
18
THINK:
y = mx + b
y-axis slope x-axis y-intercept
which unit? Which unit?
19
THINK:
y = mx + b
y-axis slope x-axis y-intercept
which unit? Which unit?
20
What did you do first? Think: starting point...
Then, what did you do?
21
22
23
Multiple Choice
What is the y-intercept?
(5, 0)
(-5, 0)
(0, 5)
(0, -5)
24
Multiple Choice
From the equation: y = -2x +6 what is the slope of the line?
y
6
x
-2
25
Multiple Choice
From the equation: y = -2x+6 what is the y-intercept of the line?
y
6
x
-2
26
Multiple Choice
27
Multiple Choice
Which graph represents the equation y=4x−1
28
29
Think:
Rise/Run, Vertical change/horizontal change
Be sure to include the units for each. What is the y increasing by /what the x-value is increasing by?
Describe the relationship that makes these true based on the way it is worded in the original problem.
30
Think: y = mx + b (y-intercept form) rise
y = b So, what is missing? run
Think: y = mx + b (y-intercept form) rise
x = a run
Think: what is your "initial step?"
Then, what do you do?
31
32
Think about the steps we just discussed.
Walk me through each step of graphing this equation on the line. In other words, teach me. Pretend I do not know how. Use good wording to describe the process.
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34
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