Reflections Algebraic

Which algrebraic rule shows a REFLECTION across the x-axis?

• (x, -y)

• (-x, y)

• (4x, 4y)

• (y, -x)

Tags

8.10.C

Luke is going to reflect point R (6,10) over the y-axis. What are the coordinates for R'?

• (10, 6)

• (-6, -10)

• (-6, 10)

• (-10, 6)

Tags

8.10.C

Which axis is the triangle being reflected over?

• y-axis

• x- axis

Tags

8.10.C

Find the coordinates of I' after a reflection over the y-axis.

• I'(-5, -8)

• I'(5, 8)

• I'(-5, 8)

• I'(5, -8)

Tags

8.10.C

Point J(7, -21) is reflected over the x-axis. Where is J'?

• (7, 21)

• (-7, -21)

• (-7, 21)

• (7, -21)

Tags

8.10.C

What is the Algebraic Notation for this Reflection?

• (x, y) → (y, x)

• (x, y) → (-x, y)

• (x, y) → (-y, -x)

• (x, y) → (x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Reflect over x-axis. What would be the algebraic transformation?

• (-x, y)

• (y, -x)

• (x, -y)

• (.5x, .5y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Identify the algebraic transformation from ABC to A'B'C'.

• (x, y) → (-y, x)

• (x, y) → (x - 2, y - 2)

• (x, y) → (-x, y)

• (x, y) → (x, -y)

Tags

CCSS.HSG.CO.A.2

Triangle GHI is reflected across the x-axis. What is the algebraic rule for this transformation?

• (x, y) ----> (-x, y)

• (x, y) ----> (x - 2, y + 6)

• (x, y) ----> (-y, x)

• (x, y) ----> (x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

∆QRS contains the points: Q(4, 2) R(5, 1) S(3,7). If the triangle is reflected across the y-axis, what algebraic transformation would you use to find the new points?

• (x, y) → (4x, 2y)

• (x, y) → (-x, y)

• (x, y) → (y, -x)

• (x, y) → (x, -y)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5