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aev [14]
3 years ago
14

Which of these is a point-slope equation of the line that is perpendicular to y-3=4(x-10) and passes through (-3,7)?

Mathematics
1 answer:
melomori [17]3 years ago
6 0

Answer:

B

Step-by-step explanation:

The point slope form of a line is (y-y_1)=m(x-x_1) where x_1=-3\\y_1=7. We can find the slope which is perpendicular to the slope of 4 in the equation y=4(x-10). Perpendicular slope is the negative reciprocal which is -1/4.

We write  

(y-7)=-\frac{1}{4}(x--3)\\(y-7)=-\frac{1}{4}(x+3)

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