Geometry Semester 1 Final

Front

What are complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Front

What are supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Front

If angle A is 25 degrees, what is the measure of its complementary angle?

Back

The measure of the complementary angle is 65 degrees (90 - 25 = 65).

Front

If angle B is 133 degrees, what is the measure of its supplementary angle?

Back

The measure of the supplementary angle is 47 degrees (180 - 133 = 47).

Front

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

Back

The slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.

Front

What does the scale factor represent in geometry?

Back

The scale factor is a number that scales, or multiplies, the dimensions of a shape.

Front

If a shape is enlarged by a scale factor of 2, what happens to its dimensions?

Back

All dimensions of the shape are doubled.

Front

What is the equation of a line with a slope of 2 and a y-intercept of 3?

Back

The equation is y = 2x + 3.

Front

How do you find the value of y in the equation GH = HI + GI?

Back

Set the expressions equal: 7y + 3 = (3y - 5) + (9y + 7) and solve for y.

Front

What is the value of y if GH = 7y + 3, HI = 3y - 5, and GI = 9y + 7?

Back

The value of y is 9.