Elmhorst Math Equations and Inequalities Test Review

Front

Combine like terms: -8x - 6 + 2x

Back

-6x - 6

Front

What is the sum of the angles in a triangle?

Back

180 degrees

Front

Combine like terms: -12x - 1 + 3x

Back

-9x - 1

Front

What do two complementary angles add up to?

Back

90 degrees

Front

Define complementary angles.

Back

Two angles that add up to 90 degrees.

Front

Combine like terms: 5x + 3x - 4

Back

8x - 4

Front

What is the formula for the sum of interior angles of a polygon?

Back

(n - 2) * 180 degrees, where n is the number of sides.

Front

If angle A is 30 degrees, what is the measure of its complementary angle?

Back

60 degrees.

Front

Combine like terms: 7y - 2y + 5

Back

5y + 5

Front

What is the value of x in the equation 2x + 3 = 11?

Back

x = 4.