Staar Questions Transformations

Write and algebraic rule that shows a translation left 5 and up 6.

( ​ (a)   ​ (b)   ​ (c)   , ​ (d)   ​ (e)   6 )

• -

• 5

• x

• y

• +

• 7

• z

• 4

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Potatomus drew a triangle with vertices at (1, 1), (2, 6), (4, 1). He translates the figure up 6 and left 1. Select TWO correct answers.

• (1, -3), (3, -3), (3, -1)

• (0, 7), (1, 12), (3, 7)

• (7, 0), (8, 5), (11, 0)

• (x - 1, y + 6)

• (x + 6, y - 1)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Point A at (6, 7) was translated to create point A' at (10, -8). Identify the correct algebraic rule for this translation.

• x+4

• y-15

• x+15

• x-4

• y+4

• y+15

Tags

CCSS.HSG.CO.A.2

A quadrilateral is graphed on the coordinate grid with point A located at (3, -8).

The quadrilateral will be translated q units to the right and r units up.

Which rule describes the point A' of the new quadrilateral after the translation?

• (x, y) --> (3 + q, -8 +r)

• (x, y) --> (3 + q, -8 - r)

• (x, y) --> (3 - q, -8 - r)

• (x, y) --> (3 - q, -8 +r)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

(-x, -y) represents which of the following transformations?

• Reflection across the x-axis

• Reflection across the y-axis

• a 90 degree rotation

• a 180 degree rotation

Answer explanation

(-x, -y) represents both a clockwise and counterclockwise rotation of 180 degrees

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which transformation describes a shape moving 5 units right and 3 units up?

• (x-5, y-3)

• (x+5, y+3)

• (x-3, y-5)

• (x+3, y+5)

Answer explanation

(x+5) moves right

(y+3) moves up

Tags

CCSS.HSG.CO.A.2

• not equal

• congruent

• equal

• not congruent

Tags

CCSS.8.G.A.3

• x - 5

• y + 3

• x + 5

• y - 3

• 5x

• 3y

Tags

CCSS.HSG.CO.A.2

A triangle is reflected across the y-axis.

The orientation of the vertices ​ (a)   .

The side lengths ​ (b)   .

• changes

• remains the same

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which transformations preserve congruence?

Tags

CCSS.HSG.CO.A.2