Lessons 4&5 Target 1 Pre-Assessment

What is the scale factor?

• 1/3
• 1/2
• 2/3
• 3/2
• I don't know

The point A (8, 12) was dilated to become point A' (2, 3). What was the scale factor?

• 1/2
• 1/4
• 2
• 4
• I don't know

A dilations is...

• Only an enlargement
• Only a reduction
• An enlargement or reduction
• None of these
• I don't know

A dilation produces a congruent figure.

• True
• False
• I don't know

A scale factor greater than one produces a(n) ____

• reduction
• enlargement
• congruent figure
• none of these
• I don't know

In a dilation, what mathematical operation is used with the scale factor?

• Addition
• Subtraction
• Multiplication
• I don't know

What scale factor was used to map triangle ABC to A'B'C'?

• 2
• 1
• 1/2
• -2
• I don't know

What is the scale factor if P(4, 5) becomes P'(12, 15)?

Mathematical Equivalence

ON

Line WX corresponds with what line? 

• ED
• VW
• BC
• ZY

If ABCDE ∼ GHJDF, then∠B is congruent to _______

• ∠H
• ∠D
• ∠F
• ∠J