1st Semester Geometry Study Guide

Which of the following is a figure composed of two rays with a common endpoint?

• Perpendicular Lines

• Vertical Angles

• Angle

A pair of lines that intersect at a 90° angle is called ____.

• Perpendicular Lines

• Vertical Angles

• Angle

A definition is given: "Points A and B in the plane, as well as all points collinear to both A and B that are between A and B." Which term is best described by this definition?

• ray

• line

• line segment

• a set of points

Points P (−4, 2), Q (−1, 0), and R (8, −6) all lie on the same line.

What are the coordinates of point Q?

• (-1, 3)

• (1, 3)

• (7, 3)

• (0, 0)

Points P (−4, 2), Q (−1, 0), and R (8, −6) all lie on the same line.

Fill in the blank: The ratio of QR to PR is ____.

• 1:3

• 1:2

• 1:4

• 1:6

Points P (−4, 2), Q (−1, 0), and R (8, −6) all lie on the same line. What is the ratio PQ:QR?

• A) 1:3

• B) 1:4

• C) 3:1

• D) 4:1

Points P (−4, 2), Q (−1, 0), and R (8, −6) all lie on the same line. Fill in the blank: The ratio PQ:QR is ____.

• A) 1:3

• B) 1:4

• C) 3:1

• D) 4:1

Given three vertices of a rectangle: (-5, -3), (-1, 3), and (2, 1), which of the following are the coordinates of the fourth vertex?

• (2, -3)

• (-5, 1)

• (-1, -3)

• (2, 3)

Three vertices of a rectangle are shown: (-5, -3), (-1, 3), (2, 1). What are the coordinates of the fourth vertex? ( _______ , _______ )

• (2, -3)

• (-5, 1)

• (-1, -3)

• (2, 3)

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

• A) -2

• B) 1/2

• C) -1/2

• D) 2