Coordinate Geometry Proofs

1

• Find the lengths of the diagonals.

• Find the slope of each diagonal.

• Find the midpoint of each diagonal.

• Find the midpoint of each side.

• Find the slope of 2 sides.

• Find the slope of all 4 sides.

• Find the slope of the diagonals.

• Find the length of all 4 sides.

Find the distance between J and K.

• 8.2

• 7.7

• 9

• 10.2

What formula would you use to prove if the opposite sides of figure ABCD is parallel?

• slope

• distance

• midpoint

• Pythagorean Theorm

Which equation represents a line perpendicular to the line whose equation is 2x + 3y = 12?

• 6y = -4x + 12

• 2y = 3x + 6

• 2y = -3x + 6

• 3y = -2x + 12

Which formula is used to show that lengths are parallel or perpendicular?

• Slope

• Midpoint

• Distance

Which formula is shown?

• Slope

• Distance

• Midpoint

Which formula would you use to show two lines are perpendicular?

• Slope

• Midpoint

• Distance

What formula is shown?

• slope

• distance

• midpoint

• Pythagorean Theorm

What formula is used to prove two sides are parallel?

• Distance

• midpoint

• slope