Geometry | Unit 6 | Lesson 14: Coordinate Proof | Practice Problems

• A quadrilateral with 2 pairs of parallel sides is a parallelogram.

Tags

CCSS.6.G.A.3

• Sample response: Since the product of the slopes is -1, the diagonals are perpendicular.

Tags

CCSS.6.G.A.3

• They form a right angle.

• The area is 25 square units.

Tags

CCSS.HSG.GPE.B.7

For each pair of figures, at how many points is it possible that they intersect? List all possibilities. Two distinct lines, a line and a circle, a line and a parabola.

• 0 or 1 for two distinct lines

• 0, 1, or 2 for a line and a circle

• 0, 1, or 2 for a line and a parabola

Tags

CCSS.HSG.GPE.A.1

The line shown is rotated 90 degrees clockwise around the origin. What is the slope of its image?

Tags

CCSS.HSG.GPE.A.1

The semaphore alphabet is a way to use flags to signal messages. Here's how to signal the letter U. Describe a transformation that would take the left hand flag to the right hand flag.

• Reflect across the right arm.

Tags

CCSS.8.G.A.3