Answers MISD-Geometry-RECOVERY-A-2019-2020Unit Test

Unit Test Answers

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In the diagram, CE=12 units and BE=5 units.

2 units

7 units

12 units

17 units

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The endpoints of JK are J(–25, 10) and K(5, –20). What is the y-coordinate of point L, which divides JK into a 7:3 ratio?

–16

–11

–4

–1

On a coordinate plane, 2 lines are shown. Line H J has points (negative 4, negative 2) and (0, 4). Line F G has points (negative 4, 1) and (0, negative 2).

They are perpendicular because their slopes are equal.

They are perpendicular because their slopes are negative reciprocals.

They are not perpendicular because their slopes are equal.

They are not perpendicular because their slopes are not negative reciprocals.

Lines a and b are parallel lines cut by transversal f.

20°

70°

110°

130°

Given: and Prove: What is the missing reason in the proof?

given

transitive property

alternate interior angles theorem

converse alternate interior angles theorem

On a coordinate plane, 2 lines are shown. Line C D has points (negative 2, 4) and (0, negative 4). Line F G has points (negative 4, 0) and (4, 2).

They are perpendicular because their slopes are equal.

They are perpendicular because their slopes are negative reciprocals.

They are not perpendicular because their slopes are equal.

They are not perpendicular because their slopes are negative reciprocals.

Consider the diagram.

intersecting.

parallel.

perpendicular.

skew.

Segment CD is shown on the graph.

y = (3 – 1) + 1

y = (3 + 4) – 4

y = (3 – 1) + 1

y = (3 + 4) – 4

On a coordinate plane, line A B goes through (negative 2, 4) and (0, negative 4). Point Z is at (0, 2).

(–4, 1)

(1, –2 )

(2, 0)

(4, 4)

Horizontal lines e and f are cut by vertical lines a and b. At the intersection of lines a and e, the uppercase right angle is (x + 1) degrees. At the intersection of lines a and f, the bottom right angle is (x minus 3) degrees. At the intersection of lines b and e, the bottom left angle is y degrees.

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

2 horizontal lines are intersected by a third line. At the intersection of the first line with the third line, the bottom left angle is 115 degrees. At the intersection of the second line with the third line, the uppercase left angle is 65 degrees.

2 horizontal lines are intersected by a third line. At the intersection of the first line with the third line, the bottom left angle is 115 degrees and the bottom right angle is 65 degrees.

2 horizontal lines are intersected by a third line. At the intersection of the first line with the third line, the top right angle is 115 degrees. At the intersection of the second line with the third line, the uppercase left angle is 115 degrees.

2 horizontal lines are intersected by a third line. At the intersection of the first line with the third line, the uppercase left angle is 65 degrees and the bottom right angle is 65 degrees.

In the diagram, the length of segment QV is 15 units.

4 units

11 units

14 units

15 units

The midpoint of a segment can be found using the formulas for a directed line segment, x = (x2 – x1) + x1 and y = (y2 – y1) + y1. When using these formulas to find a midpoint, which is true?

a = 1 and b = 2

a = 2 and b = 1

a = 1 and a + b = 2

a = 2 and a + b = 2

Based on this information, which pair of lines, together, could be perpendicular to RS? Select two options.

Line E A

Line E R

Line E F

Line F G

Line F S

Question text not available

Option

(8, –4)

(10, –7)

On a coordinate plane, line D F goes through points (negative 1, negative 3) and (2, 3). Point G is at (negative 4, negative 4).

(–2, 0)

(0, –2)

(0, 4)

(4, 0)

The midpoint of is point P at (−6,−2). If point E is at (2,−4), what are the coordinates of point F?

(−14,0)

(−10,−8)

(−5,3)

(−2,−3)

Kevin says that lines p and m will eventually intersect.

No, because they are non-coplanar.

No, because they are parallel.

Yes, because they are perpendicular.

Yes, because they are coplanar.

On a coordinate plane, 2 lines are shown. Line M N goes through (negative 4, 8) and (negative 4, negative 6). Line K L goes through (negative 8, 2) and (6, 2).

The lines intersect at point K.

The lines are parallel.

The lines are perpendicular.

The lines do not have slopes.

Lines a and b are parallel and lines e and f are parallel.

172

Letters w, x, y, and z are angle measures.

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

(1, 0)

(1, 1)

(0, 2)

(2, 0)

Determine the missing information in the paragraph proof.Given: Line PQ contains points (w, v) and (x, z) and line P'Q' contains points (w + a, v + b) and (x + a, z + b). Lines PQ and P'Q' are parallel.Prove: Parallel lines have the same slope.