Proving Lines Parallel — Unit test

Question 1

On a coordinate plane, a line goes through (1, negative 1) and (4, 2). A point is at (2, 5).

Revolt · Accepted Answer

y − 5 = −(x − 2)

Question 2

In the diagram, DC is 10 units and BC is 6 units.

Revolt · Accepted Answer

12 units

Question 3

On a coordinate plane, a line goes through (negative 3, 3) and (negative 2, 1). A point is at (4, 1).

Revolt · Accepted Answer

y − 1 = −2(x − 4)

Question 4

In the diagram, the length of segment TR can be represented by 5x – 4.

Revolt · Accepted Answer

15 units

Question 5

Which diagram shows lines that must be parallel lines cut by a transversal?

Revolt · Accepted Answer

2 horizontal lines are intersected by another line. At the intersection with the first line, the bottom right angle is 91 degrees. At the intersection with the second line, the top right angle is 89 degrees.

Question 6

On a coordinate plane, a line goes through (negative 3, 2) and (0, 1). A point is at (3, 4).

Revolt · Accepted Answer

y = 3x − 5

Question 7

Two parallel lines, e and f, are crossed by two transversals.

Revolt · Accepted Answer

m15 = 97°

Question 8

Lines c and d are intersected by line p. At the intersection of lines c and p, the bottom left angle is (3 x + 45) degrees. At the intersection of lines d and p, the uppercase left angle is 81 degrees.

Revolt · Accepted Answer

18

Question 9

Lines e and f are intersected by line a. At the intersection of lines a and e, the bottom right angle is 72 degrees. At the intersection of lines a and f, the uppercase right angle is 108 degrees.

Revolt · Accepted Answer

converse of the same side interior angles theorem

Question 10

On a coordinate plane, line P Q goes through (negative 6, 4) and (4, negative 4). Point R is at (4, 2).

Revolt · Accepted Answer

(–6, 10)

Proving Lines Parallel — Unit test Answers

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