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Finding the Equation of a Line
By Theresa Joseph
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Last updated almost 3 years ago
10 questions
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Question 1
1.
From the activity we just did, which of the following do you think is important in decribing a line?
Distance from the y axis
Distance from the x axis
Slope of a line
Points of intersection, like x and y intercepts
Length of a line
Question 2
2.
Let's see if your answer is correct.
Plot the equation
y= 3x + 1 in the graph below:
(You do this by simply typing in the equation in the box beside the graph.
We have released a new and improved Graphing question type! Students will no longer be able to answer this question.
Question 3
3.
Zoom in if required and find out the x intercept of the line.
Question 4
4.
Zoom in if required and find out the y intercept of the line.
Question 5
5.
Find the slope of the line.
If you do not know how to find the slope, watch this video.
Question 6
6.
Do you see the numbers you found above, in the equation y = 3x + 1?
Question 7
7.
What do you think 3 represents?
Y intercept
X Intercept
Slope
Question 8
8.
What do you think 1 represents?
Y intercept
X Intercept
Slope
Question 9
9.
In that case, what do x and y in the equation represent?
Question 10
10.
Verify your theory about slopes and intercepts occuring in an equation by using a new equation of your choice.
1. Plot the equation.
2. Find the slope and intercept.
3. Show how they appear in the equation.
We have released a new and improved Graphing question type! Students will no longer be able to answer this question.
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