Unit 2 Review

Find the slope of the line through each pair of points. (-18,16), (11,-9).

Find the slope of the line through each pair of points. (20,0), (-7,0).

• -2

• 2

• 0

• undefined

Find the slope of the line x + y = -4

• -2

• -1

• 1

• 2

State whether the graphs of the lines are parallel perpendicular or neither.

y = 5x + 1

y = -5x + 1

• parallel

• perpendicular

• neither

State whether the graphs of the lines are parallel perpendicular or neither.

2x + 4y = 5

y = 2x + 1

• parallel

• perpendicular

• neither

State whether the graphs of the lines are parallel perpendicular or neither.

x + 2y = 4

y = -1/2x + 1

• parallel

• perpendicular

• neither

State whether the graphs of the lines are parallel perpendicular or neither.

3x + y = 4

y = -3x + 3

• parallel

• perpendicular

• neither

Classify the triangle by its angles and sides.

• obtuse scalene

• acute scalene

• scalene isosceles

• right scalene

Classify the triangle by its angles and sides.

• obtuse scalene

• acute isosceles

• obtuse isosceles

• scalene isosceles

Classify the triangle by its angles and sides. Equal sides and angles, if any, are indicated in the diagram.

• obtuse scalene

• equilateral

• obtuse equilateral

• scalene isosceles