Geometry Chapter 3 Review

Front

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

Back

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

Front

What does the slope represent in a linear equation?

Back

The slope represents the rate of change of y with respect to x.

Front

What is the slope of the line perpendicular to a line with slope -2/7?

Back

The slope of the perpendicular line is 7/2.

Front

What is the y-intercept in the equation y = mx + b?

Back

The y-intercept (b) is the value of y when x = 0.

Front

What are alternate interior angles?

Back

Angles that are on opposite sides of the transversal and inside the two lines.

Front

What is the relationship between corresponding angles when two parallel lines are cut by a transversal?

Back

Corresponding angles are equal.

Front

If two angles are vertical angles, what can be said about their measures?

Back

Vertical angles are equal.

Front

What is the measure of an angle that is supplementary to a 135-degree angle?

Back

The supplementary angle measures 45 degrees.

Front

How do you find the equation of a line given a point and a slope?

Back

Use the point-slope form: y - y1 = m(x - x1).

Front

What is the definition of a linear equation?

Back

An equation that makes a straight line when graphed.