STAAR Review Part 2

Quadrilateral PQRT and quadrilateral KLMN are similar. Which proportion must be true? (30)

Tags

CCSS.HSG.SRT.A.2

Triangle PQR is dilated with the origin as the center of dilation to create triangle P'Q'R'. What is the rule that represents the dilation from triangle PQR to triangle P'Q'R'? (44)

• 2x, 2y

• 3x, 3y

• 6x, 6y

• 2y, 2x

Tags

CCSS.8.G.A.3

Pentagon NQRTW was dilated with the origin as the center to create pentagon N'Q'R'T'W'. Vertex R' is located at (6, 2). Which rule best describes the dilation? (28)

• (x, y) → (1/3x, 1/3y)

• (x, y) → (3x, 3y)

• (x, y) → (3/2x, 3/2y)

• (x, y) → (2/3x, 2/3y)

Tags

CCSS.HSG.CO.A.2

The figures shown each have a set of parallel lines intersected by a transversal. Based on the figures, what are the measures x, y, and z in degrees? (24)

• x = 120°, y = 60°, z = 60°

• x = 110°, y = 35°, z = 35°

• x = 90°, y = 45°, z = 45°

• x = 100°, y = 40°, z = 40°

Tags

CCSS.8.G.A.5

Which transformation does NOT preserve congruence? (57)

• A reflection across the x-axis

• A rotation of 180° counterclockwise with the origin as the center of rotation

• A dilation by a scale factor of 0.5 with the origin as the center of dilation

• A translation 5 units to the right and 11 units down

Tags

CCSS.HSG.CO.A.2

Square ABCD is translated 3 units to the right on a coordinate grid to create square A'B'C'D'. Which rule describes this translation? (63)

• (x, y) → (x, y − 3)

• (x, y) → (x, y + 3)

• (x, y) → (x + 3, y)

• (x, y) → (x − 3, y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Triangle RST is rotated 270° counterclockwise about the origin of a coordinate plane to create triangle R'S'T'. Which rule describes this transformation? (21)

• (x, y) → (x, −y)

• (x, y) → (−x, y)

• (x, y) → (−y, −x)

• (x, y) → (y, −x)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

The diagram represents a side view of a roof in the shape of a right triangle. Which measurement is closest to the length of the roof in feet? (65)

• 5.1 ft

• 16.1 ft

• 26.0 ft

• 19.7 ft

Tags

CCSS.8.G.B.7

Determine whether the triangle with the set of side lengths form a right triangle.

Select all answers that apply. (46)

• 24, 45, 51 centimeters

• 3. 2, 4, 6 centimeters

• 6, 8, 9 centimeters

• 3. 10, 24, 26 centimeters

Tags

CCSS.8.G.B.8

Two points are shown on a coordinate grid. Which measurement is closest to the distance between points K and L? (32)

• 7 units

• 5 units

• 10 units

• 20 units

Tags

CCSS.HSG.GPE.B.7