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What is the equation of the line that passes through the point(-1, 5) and is parallel to the line y = -3x + 5?

Guest Mar 21, 2017
 #1
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life is the answer

Guest Mar 21, 2017
 #2
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The answer is y=-3x+2

Guest Mar 21, 2017
 #3
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Because the required line is parallel to y= - 3x + 5, the slope of the required line will also be -3. We are just unsure about the constant added.

Now it becomes y = -3x + C

To solve for C, we substitute the x-coordinate of the point into x and y coordinate of the point into y.

 

5 = (-3)(-1) + C

5 = 3 + C

C = 2

Therefore the slope-intercept equation of the required line is y = -3x + 2

MaxWong  Mar 22, 2017

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