Unit Test — Unit test Answers

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A
conclusion
B
given information
C
assumptions
D
argument
4

Angle PSR measures 99°.

Question illustration
A
B
24°
C
45°
D
54°
8

Two lines intersecting at a right angle

A
form a line.
B
are parallel.
C
are perpendicular.
D
form a ray.
9

Given that bisects ∠CEA, which statements must be true? Select three options.

Question illustration
A
m∠CEA = 90°
B
m∠CEF = m∠CEA + m∠BEF
C
m∠CEB = 2(m∠CEA)
D
∠CEF is a straight angle.
E
∠AEF is a right angle.
10

Question text not available

Question illustration
A
line XY
B
line XZ
C
line WX
D
line WZ
11

A 2-column table with 4 rows. The first column is labeled x with entries negative 6, negative 1, 0, 3. The second column is labeled y with entries negative 7, 1, 9, negative 2.

Question illustration
A
{x | x = –6, –1, 0, 3}
B
{y | y = –7, –2, 1, 9}
C
{x | x = –7, –6, –2, –1, 0, 1, 3, 9}
D
{y | y = –7, –6, –2, –1, 0, 1, 3, 9}
12

The function h(t) = –16t2 + 28t + 500 represents the height of a rock t seconds after it is propelled by a slingshot.

A
the height of the rock 3.2 seconds before it reaches the ground
B
the time it takes the rock to reach the ground, or 3.2 seconds
C
the time it takes the rock to reach a height of 3.2 meters
D
the height of the rock 3.2 seconds after it is propelled
13

Which statements are true about the figure? Select two options.

A
GNJ is complementary to JNK.
Option A
B
MNL is complementary to KNL.
Option B
C
MNG is complementary to GNJ.
Option C
D
KNJ is supplementary to MNL.
Option D
E
GNM is supplementary to JNK.
Option E
15

Two parallel lines are intersected by a third line so that angles 1 and 5 are congruent.

Question illustration
A
They are acute.
B
They are congruent.
C
They are complementary.
D
They are supplementary.
16

Which set of ordered pairs represents a function?

A
{(2, –2), (1, 5), (–2, 2), (1, –3), (8, –1)}
B
{(3, –1), (7, 1), (–6, –1), (9, 1), (2, –1)}
C
{(6, 8), (5, 2), (–2, –5), (1, –3), (–2, 9)}
D
{(–3, 1), (6, 3), (–3, 2), (–3, –3), (1, –1)}
18

On a coordinate plane, a curved line crosses the y-axis at (0, 1), crosses the x-axis at (.25, 0), turns at point (2, negative 3), and crosses the x-axis (3.75, 0).

Question illustration
A
all the real numbers
B
all the real numbers greater than or equal to 0
C
all the real numbers greater than or equal to 2
D
all the real numbers greater than or equal to –3

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