Saturday

December 20, 2014

December 20, 2014

Posted by **Dana** on Monday, October 3, 2011 at 2:23pm.

A(−1, 4), B(7, −2), C(9, y)

- geometry -
**Steve**, Monday, October 3, 2011 at 3:59pmAB has slope -6/8 = -3/4 and length 10.

So, we want a line with slope 4/3, passing through the midpoint (A+B)/2 = (3,1)

When x = 9, it's 6 units to the right of point A. So, y will be 4/3*6=8 units above point A, at 12. So, C=(9,12)

**Answer this Question**

**Related Questions**

biology - Given the part of the molecule shown below, can the underlined atom ...

math - A perpendicular bisector is a segment which is perpendicular to another ...

calculus - Find an equation for the surface consisting of all points P(x, y, z) ...

geometry - You have isosceles triangle WXY and segment WZ is the perpendicular ...

Geometry - Given the points A(−2, 1) and B(3, 4), what are the coordinates...

Math - Find the equation of the perpendicular bisector of the line segment ...

geometry - A. Derive the distance formula (d) shown below for points A = (x1, y1...

Grade 12 Calculus - Evaluate each of the following. Show all your calculations...

Geometry - Prove that the tangents to a circle at the endpoints of a diameter ...

calculus (gr 12) - Evaluate each of the following. Show all your calculations. a...