Atriangle with vertices (3,-2) (7,3) and (-7,6) is what type of triangle ? a) equilateral b) obtuse scalene c)isosceles right d) right

D) right
The slope between (3,-2) (7,3) and (3,-2) (-7,6) are opposite reciprocals of 5/4 and -4/5. If the slopes are opposite reciprocals they are perpendicular and have an angle equal to 90 degrees which makes it a right triangle.  none of the distances are equal so it cannot be an isosceles right triangle.

The linear equation is: y=ax+b