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Tom [10]
3 years ago
8

Find the slope intercept equation that passes through (-3,8) and is perpendicular to the line with the equation: x-7y=12

Mathematics
1 answer:
mafiozo [28]3 years ago
4 0

Answer:

C.  y = 7x + 29 .

Step-by-step explanation:

First find the slope of the given line:

x - 7y = 12

7y = x - 12

y = 1/7 x - 12/7

The slope = 1/7 so the slope of the line perpendicular to this line is

- 1 / -1/7 = 7.

Finding the equation of the  required line:

y - y1 = m(x - x1)

y1 = 8 , m = 7 and x1 = -3:

y - 8 = 7(x + 3)

y = 7x + 21 + 8

y = 7x + 29  answer.

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8 0
3 years ago
PLEASE QUICKLY HELP
harkovskaia [24]

Answer:

k = 4

Step-by-step explanation:

From the graph, it is clear that (4,10), (2,0) points are on the graph of function f(x).  

Since, it is a straight line then equation of f(x) is given by  

\frac{y-10}{10-0} =\frac{x-4}{4-2}

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⇒ k = 4 (Answer)

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3 years ago
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Here is your answer

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