
Write a Linear Equation to Model Each Situation
Presentation
•
Mathematics
•
8th Grade
•
Hard
Joseph Anderson
FREE Resource
8 Slides • 4 Questions
1
Lesson 3.4
Construct Functions to Model Linear Relationships
By Reed Carbone
2
What formula do we know models a line?
Slope Intercept Form: y = mx + b
m = slope (constant rate of change)
b = y intercept
Subject | Subject
Some text here about the topic of discussion
3
Use the points to create an equation of a line:
(1,2) (5,6)
4
Multiple Choice
What is the equation of a line using the points (3,5) and (2,6)?
y = 3x + 5
y = 2x + 6
y = -x + 8
y = -x + 6
5
What is the equation of a line that passes through the point (4.5,-4.25) with y-intercept 2.5?
6
Multiple Choice
A line passes through the points (5,-7.5) and has y intercept 10. What is the equation of the line?
y = -3.5x + 10
y = 5x + 10
y = -7.5x + 10
y = 5x - 10
7
Multiple Choice
What is the equation of a line with point (5,2) and slope 3?
y = 5x + 2
y = 3x + 2
y = 3x + 5
y = 3x - 13
8
A car moving at a constant speed passes a timing device at t=0. After 8 seconds the car has traveled 840 feet. Write an equation of this in slope intercept form:
9
Multiple Choice
At time t = 0, water begins to drip out of a pipe into an empty bucket. After 56 minutes, 8 inches of water are in the bucket. Write an equation for this in slope intercept form.
y = 56x + 8
y = 8x + 56
y = 71 x
y = 7x
10
Create an equation from the graph:
11
Conclusion: Write two complete sentences about what you learned.
12
Rate Yourself:
4: I understood this so well, I knew how to do the problems without Mr. Carbone teaching me how to do them.
3: I did pretty well on this assignment, after Mr. Carbone taught me how to do it I had very few errors.
2: I did ok on this assignment, I had errors finding my answers, but after seeing the teacher do it I could recreate their work.
1: I did not follow on this assignment. Without Mr. Carbone showing me every step I would not be able to solve these problems.
Lesson 3.4
Construct Functions to Model Linear Relationships
By Reed Carbone
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