4 years ago

Pls answer this it’s on a link

Mathematics

1 answer:

denis23 [38]4 years ago

5 0

Answer:

Step-by-step explanation:

(x-8) (x+4) = x^2 - 4x - 32

therefore, x = 8, -4

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The midpoint of a line segment is (-1, 4). The endpoints of the line segment are (3, y) and (-5, 10). What is the value of y?

viktelen [127]

Answer:

-2

Step-by-step explanation:

The midpoint is the average of the end point coordinates, so ...

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8 = y +10 . . . . . . . multiply by 2

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3 years ago

Find the distance between the points given<br><br>(0, -6) and (9, 6)

Valentin [98]

$\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ (\stackrel{x_1}{0}~,~\stackrel{y_1}{-6})\qquad (\stackrel{x_2}{9}~,~\stackrel{y_2}{6})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ d=\sqrt{[9-0]^2+[6-(-6)]^2}\implies d=\sqrt{(9-0)^2+(6+6)^2} \\\\\\ d=\sqrt{9^2+12^2}\implies d=\sqrt{225}\implies d=15$