Line segment AB is shown on a coordinate grid:
A coordinate grid is shown from positive 6 to negative 6 on the x-axis and from positive 6 to negative 6 on the y-axis. A line segment AB is shown with A as ordered pair 1, 3 and B as ordered pair 5, 3.
The line segment is reflected about the y-axis to form A′B′. Which statement describes A′B′? (4 points)
A′B′ is half the length of AB.
A′B′ and AB are equal in length.
A′B′ is greater than twice the length of AB.
A′B′ and AB are perpendicular.
2.
(02.02)
Line segment EF is shown on a coordinate grid:
A coordinate plane is shown. Line segment EF has endpoints negative 3 comma 2 and negative 1 comma 2.
The line segment is rotated 180 degrees counterclockwise about the origin to form E′F′. Which statement describes E′F′? (4 points)
E′F′ is perpendicular to EF.
E′F′ and EF are equal in length.
E′F′ is half the length of EF.
E′F′ is greater than twice the length of EF.
3.
(02.02)
A shape is shown on the graph:
A coordinate plane is shown. Triangle ABC has vertices negative 2 comma 3, negative 3 comma 1, and negative 1 comma 1.
Which of the following is a reflection of the shape? (4 points)
A coordinate plane is shown. A triangle has vertices negative 2 comma negative 1, negative 3 comma negative 3, and negative 1 comma negative 3.
A coordinate plane is shown. A triangle has vertices 1 comma 1, 0 comma negative 1, and 2 comma negative 1.
A coordinate plane is shown. A triangle has vertices negative 3 comma negative 1, negative 2 comma negative 3, and negative 1 comma negative 1.
A coordinate plane is shown. A triangle has vertices negative 3 comma negative 1, negative 3 comma negative 3, and negative 1 comma negative 2.
4.
(02.02)
A rotation is shown in the drawing:
A green dart-shaped figure is shown, labeled Figure X. A curved dotted line shows the rotation around to the left to create a blue dart-shaped figure labeled Figure X prime. The new image is directly to the right of the original.
Which statement best describes the rotation? (4 points)
Clockwise 90-degree rotation
Clockwise 270-degree rotation
Counterclockwise 90-degree rotation
Counterclockwise 270-degree rotation
5.
(02.02)
Angle Q measures 30 degrees. If angle Q is rotated 15 degrees, what is the measure of angle Q′? (4 points)
30 degrees
45 degrees
150 degrees
180 degrees