Geometry Midterm Review

Front

What is the value of x in the equation m∠RST = (12x -1)° and m∠RSU = (9x -15)° if m∠UST = 53°?

Back

x = 13

Front

What does the word BISECT mean?

Back

To cut something into two congruent pieces or in half.

Front

If m∠RST = (12x -1)° and m∠RSU = (9x -15)°, what are the measures of m∠RST and m∠RSU when x = 13?

Back

m∠RST = 155°, m∠RSU = 102°.

Front

What is the relationship between two lines if they intersect at a right angle?

Back

The lines are Perpendicular.

Front

What is the slope of the line represented by the equation y = -2/3x + 2?

Back

The slope is -2/3.

Front

What is the slope of the line represented by the equation y = 3/2x + 9?

Back

The slope is 3/2.

Front

If two lines have slopes of -2/3 and 3/2, what is their relationship?

Back

The lines are Perpendicular.

Front

What does it mean for two lines to be Parallel?

Back

Two lines are Parallel if they have the same slope and never intersect.

Front

What is the formula for finding the slope between two points (x1, y1) and (x2, y2)?

Back

Slope (m) = (y2 - y1) / (x2 - x1).

Front

What is the definition of a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.