Unit Test — Unit test Answers
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Which statement is true about the graphs of the two lines y = x + 2 and y = x ?
A
The lines are perpendicular to each other because and are opposite reciprocals of each other.B
The lines are perpendicular to each other because 2 and are opposite reciprocals of each other.
C
The lines are neither parallel nor perpendicular to each other because and are not opposite reciprocals of each other.D
The lines are neither parallel nor perpendicular to each other because 2 and are not opposite reciprocals of each other.22
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One endpoint on is H(78.8, 4). The midpoint is M(43.3, 20). Find the coordinates of endpoint G.
A
(7.8, 36)B
(59.3, –15.5)C
(61.05, 12)D
(114.3, –12)23
The coordinates of midpoint M and endpoint Q of a segment are M(–7, 8) and Q(–19, 30). Find the coordinates of the other endpoint.
A
(–31, 52)B
(–13, 19)C
(5, –14)D
(15, –4)24
What is the equation of the line that is parallel to the line x = –2 and passes through the point (–5, 4)?
A
x = –5B
x = 4C
y = –5D
y = 425
The coordinates of midpoint M and endpoint E of a segment are M(35, –3) and E(15, 26). Students were asked to find two equations that could be used to find the coordinates of the other endpoint, F(x2, y2).Josiah set up the equations as follows:
A
The −3 and 35 should be switched.B
The 15 and 26 should be switched.C
The equations should be
D
The equations are correct.Did you find these answers helpful?
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