Unit 4 Study Guide

Missing Sides

100

Question 3

14

200

Question 4

12

300

Question 5

7.5

400

Question 6

x = 30

y = 11

Perimeter = 62

Similar Triangles

100

Question 1a

Angle N is congruent to Angle R

Angle M is congruent to Angle Q

Angle L is congruent to Angle P

200

Question 1b

NL/RP = NM/RQ = ML/QP

300

Question 8

a and d

400

Question 12

V (-6, 6) V' (-3, 3)

U (3, 3)  U' (1.5, 1.5)

W (-3, -6) W' (-1.5, -3)

Are they similar?

100

Question 7a

Yes, AA Similarity

200

Question 7b

No, the sides are not all proportional.

300

Question 7c

Yes, SAS Similarity

400

Question 7d

No, there is only one pair of corresponding congruent angles and we know nothing about the sides.

Simplifying and Factoring

100

Question 9

8x²+10x-3

200

Question 10

5x²-8x+1

300

Question 11

5x²+9x-6

400

Question 2a

-3x²(x⁷+4x-3)

500

Question 2b

4m³p⁴(2m⁴-3p⁶)

Potpourri

100

Question 13

x=15

Angle 2 = 50 degrees

200

Question 14

x=34

Angle 1 = 24 degrees

300

Question 15

x = -17/6

400

Question 16

g(3)=6

(3, 6)

500

Question 17a

(9, 5)