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Coordinates

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A line goes through (2, 3) and (−8,2). The line has an x-intercept of P and a y-intercept of Q. Find the area of triangle OPQ

Dec 22, 2021

#1
+179
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I think 7/2

Dec 22, 2021
#2
+132
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How did you get 7/2?

tinfoilhat  Dec 22, 2021
#3
+117468
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A line goes through (2, 3) and (−8,2). The line has an x-intercept of P and a y-intercept of Q. Find the area of triangle OPQ

First I would find the equation of the line.

I think it is easiest to do this by introducing the  general point (x,y)  and then saying  gradient = gradient

$$\frac{y-3}{x-2}=\frac{2-3}{-8-2}$$

now simplify that.

Then find the x and y intercepts

Then use the area of a triangle formula

Dec 22, 2021