Use the midpoint formula to find the midpoint between q(10,-8) and r(5,-2)

asked Feb 10, 2019 39.8k views

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The formula of a midpoit of QR:

$M\left((x_Q+x_R)/(2),\ (y_Q+y_R)/(2)\right)$

We have Q(10, -8) and R(5, -2). Substitute:

$x_M=(10+5)/(2)=(15)/(2)=7.5\\\\y_M=(-8+(-2))/(2)=(-10)/(2)=-5$

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