Semester 1 Final

Front

What are complementary angles?

Back

Angles that add up to 90°.

Front

What is an example of a pair of complementary angles?

Back

81° and 9°.

Front

Use point slope formula to create a linear equation.

Back

Front

Solve for x: 2x + 4 = 60

Back

28.

Front

Find the measure of angle PQR if angle PQR + angle RQS = 180° and angle RQS = 30°.

Back

150 degrees.

Front

What is the point-slope form of a linear equation?

Back

y - y_1 = m(x - x_1), where m is the slope.

Front

What is the sum of angles in a triangle?

Back

180 degrees.

Front

What is the definition of a linear equation?

Back

An equation that makes a straight line when graphed.

Front

What is the slope of a line?

Back

The ratio of the rise over the run between two points on the line.

Front

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

Back

m = \frac{y_2 - y_1}{x_2 - x_1}.