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Mkey [24]
2 years ago
12

Find the equation of line b in​ slope-intercept form. Line a is parallel to line b. Line a passes through the points (1,8) and (

2,-1), line b passes through the point (4,13)
Mathematics
1 answer:
Rina8888 [55]2 years ago
4 0

9514 1404 393

Answer:

  y = -9x +49

Step-by-step explanation:

The slope of line b is the same as the slope of line a. That can be found using the slope formula:

  m = (y2 -y1)/(x2 -x1)

  m = (-1 -8)/(2 -1) = -9

The y-intercept can be found from the given point using the formula ...

  b = y - mx

  b = 13 -(-9)(4) = 13 +36 = 49

Then the slope-intercept equation of line b is ...

  y = -9x +49

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