2023 Semester 1 Pre-Algebra Final

Which transformation would transform pre-image U to image V?

• Translation

• Reflection

• Rotation

• Dilation

Tags

CCSS.8.G.A.3

What is the image point of (-2, 1) after a translation right 5 units, and up 3 units?

• (0, 7)
• (3, 4)
• (8, 2)
• (5, 3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

If the pre-image from the bottom is reflected across the line y = -2, what is the location of the missing point?

• (-1, 9)

• (-1, 0)

• (-1, 5)

• (-1, 7)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which transformation would take figure A to figure B?

• A counterclockwise roation of 90∘ about the origin

• A counterclockwise rotation of 270∘ about the origin

• A reflection over the x-axis

• A reflection over the y-axis

Tags

CCSS.8.G.A.3

Which transformation would map figure N onto figure O? (N is the pre-image).

• A reflection over the x-axis

• A reflection over the y-axis

• A translation 5 left up and 4 units down

• A translation 5 units right and 4 units up

Tags

CCSS.HSG.CO.A.2

The triangle on the right is a scaled copy of the triangle on the left. What is the scale factor in simplest form?

• -10

• 10

Tags

CCSS.7.G.A.1

The triangle on the right is a scaled copy of the triangle on the left. What is the length of the missing side?

• 12

• 32

• 24

• 10

Tags

CCSS.7.G.A.1

The triangle on the right is a scaled copy of the triangle on the left.

If the scale factor from left to right is 3, what is the length of the unknown side.

• 21

• 10

Tags

CCSS.7.G.A.1

If the scale factor is 4/9, the dilation will be a(n) ​__________.

• reduction
• enlargement
• rotation
• translation

Tags

CCSS.8.G.A.3

• 9

• 12

• 6

Tags

CCSS.7.RP.A.2B