Geometry Semester 1 Final Review

Front

What is the midpoint formula for a line segment with endpoints (x1, y1) and (x2, y2)?

Back

Midpoint = ((x1 + x2)/2, (y1 + y2)/2)

Front

Find the midpoint of the line segment with endpoints (-2,0) & (9,-1).

Back

(3.5, -0.5)

Front

What is a transversal in geometry?

Back

A transversal is a line that intersects two or more other lines at distinct points.

Front

If two lines are parallel, what is the relationship between their slopes?

Back

The slopes of parallel lines are equal.

Front

What does it mean for two lines to be perpendicular?

Back

Two lines are perpendicular if the product of their slopes is -1.

Front

If line v is a transversal, what can be said about the angles formed with parallel lines?

Back

The corresponding angles are equal, and the alternate interior angles are equal.

Front

What is the definition of parallel lines?

Back

Parallel lines are lines in a plane that never meet; they are always the same distance apart.

Front

If a // b and c // d, what can be inferred about the angles formed?

Back

The corresponding angles and alternate interior angles are equal.

Front

What is the value of x if the angles are supplementary?

Back

x = 180 - (measure of the other angle) if they are supplementary.

Front

What is the equation of a line in slope-intercept form?

Back

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