Figures in the Coordinate Plane (Sec 9-1)

Question 1

What is true about triangle LMN? Check all that apply.

Revolt · Accepted Answer

LM ⊥ MN.; The triangle is isosceles.; The triangle is a right triangle.

Question 2

Step 2: Find the slope of DC. The slope of DC is .

Revolt · Accepted Answer

–1/5

Question 3

Step 3: Find the slope of BC. The slope of BC is .

Revolt · Accepted Answer

2/3

Question 4

Step 4: Find the slope of AD. The slope AD is .

Revolt · Accepted Answer

2/3

Question 5

The quadrilateral is a trapezoid because .

Revolt · Accepted Answer

only one pair of opposite sides is parallel

Figures in the Coordinate Plane (Sec 9-1) Answers