SOLUTION: I need help with writing equations in slope intercept form for lines. Use the following graph. Graph: https://imgur.com/sDzZmuS Write an equation in slope-intercept form f

Question 1106868: I need help with writing equations in slope intercept form for lines.
Use the following graph.
Graph: https://imgur.com/sDzZmuS
Write an equation in slope-intercept form for each line.
1. For the line in red.

2. For the line in blue.

3. For the line in green.

4. Perpendicular to the blue line and through (-1, 6).

5. Parallel to the red line and containing (7, 0).
Answer by josgarithmetic(39628) (Show Source): You can put this solution on YOUR website!
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Write an equation in slope-intercept form for each line.
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You can just read the needed values for the equations directly from the graphed lines of your imgur link picture. YOU do that for these:
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1. For the line in red.
2. For the line in blue.
3. For the line in green.
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y=mx+b
m is slope
b is vertical axis intercept

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4. Perpendicular to the blue line and through (-1, 6).
5. Parallel to the red line and containing (7, 0).
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Knowing how point-slope form works helps.
Doing #4 only:

and the reason that slope chose is 2, is because the blue line has slope ; and the product of slopes of perpendicular lines is .
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