Question

Equation of line PQ is x = -5 and the equation of line QR is y =8 What are co-ordinates of point Q ?​

Answer 1

Answer:

The coordinates of point P and Q are (-2,3) and (1,2) respectively. A straight line QR is perpendicular to the straight line PQ. Find the equation of the straight line QR. How do I find the coordinates of point R?

You’re not worried about the point r coordinates. They don’t matter.

You use (y1-y2)/(x1-x2) so in this case (3–2)/(-2–2) to get a slope of 1/-4… slope = m

then y-y1=m(x-x1)

so y-3=(-1/4)(x+2)

written another way y=(-1/4)(x+2)+3

thats your QR line

Your PQ line is perpendicular so it’s got the opposite reciprocal slope.

PQ should be y=4(x+2)+3

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Step-by-step explanation:

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Answer 2

Answer:

Equation of line PQ is x = -5 and the equation of line QR is y =8 What are co-ordinates of point Q ? The co-ordinate of Q is ( x, y). The co-ordinate of Q is ( -5, 8).

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