Unit Test — Unit test Answers
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On a coordinate plane, 2 triangles are shown. The first triangle has points M (negative 5, 4), N (negative 2, 3), and L (negative 4, 2). The second triangle has points L prime (negative 4, negative 2), M prime (negative 5, negative 4), and N prime (negative 2, negative 3).
r
rx-axis(x, y) → (–x, y)r
ry-axis(x, y) → (–x, y)r
rx-axis(x, y) → (x, –y)r
ry-axis(x, y) → (x, –y)22
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If a quadrilateral has exactly 2 lines of symmetry, and both are angle bisectors, then which statement would be true?
A
The figure must be an isosceles trapezoid because it has 2 congruent base angles.B
The figure must be a rectangle because all rectangles have exactly 2 lines of symmetry.C
The figure could be a rhombus because the 2 lines of symmetry bisect the angles.D
The figure could be a square because the diagonals of a square bisect the right angles.23
A transformation is shown in the diagram.
A
Quadrilateral DEFG is translated to form quadrilateral D'E'F'G'.B
Quadrilateral DEFG is rotated to form quadrilateral D'E'F'G'.C
Quadrilateral DEFG is reflected to form quadrilateral D'E'F'G'.D
Quadrilateral DEFG is dilated to form quadrilateral D'E'F'G'.25
A line segment has endpoints at (–4, –6) and (–6, 4). Which reflection will produce an image with endpoints at (4, –6) and (6, 4)?
A
a reflection of the line segment across the x-axisB
a reflection of the line segment across the y-axisC
a reflection of the line segment across the line y = xD
a reflection of the line segment across the line y = –xDid you find these answers helpful?
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