Geometry Topic Test 1 Review part 2

Determine where x' would be if you translated x 3 units to the left and 9 units down.

• (-4, 4)

• (-10, 2)

• (-4, -5)

• (-1, 5)

Answer explanation

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which answer shows a reflection across the x-axis?

• d

• c

• b

• a

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What type of rotation does this represent (from red to blue)?

• 270⁰ clockwise

• 360⁰

• 90⁰ counterclockwise

• 180⁰

Tags

CCSS.8.G.A.3

How many lines of symmetry does this equilateral triangle have?

• 1

• 2

• 3

• 4

Tags

CCSS.4.G.A.3

Identify the angles of rotation that maps the image to itself.

 $angle\ of\ rotation=\ \frac{360\degree}{number\ of\ sides}$  

• multiples of 72°

• multiples of 180°

• multiples of 144°

• multiples of 45°

Answer explanation

Tags

CCSS.HSG.CO.A.4

What are the angles of rotation for a square?

• multiples of 30
• multiples of 45
• multiples of 90
• multiples of 180

Tags

CCSS.HSG.CO.A.4

∆BCD contains the points: B(2,3) C(2,1) D(5,1). If the triangle is reflected across the x-axis, what will B' be?

• B'(2, -3)

• B'(-2, 3)

• B'(-2, -3)

• B'(2, 3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Tell whether the transformation is a dilation. Explain.

• No, scale factor isn't the same.
• Yes, scale factor is the same.

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

A scale factor of less than one means

• that the prime image will be larger than the pre-image.

• That the prime image will be the same as the preimage.

• That you need to subtract that amount off of each side.

• That the prime image will be a reduction of the preimage.

Tags

CCSS.8.G.A.3

Which of the following are Dilations?

• (x, y) → (x, 3y)

• (x, y) → (3x, 3y)

• (x, y) → (x, y - 3)

• (x, y) → (.5x, .4y)

Tags

CCSS.8.G.A.3