Long Term Memory Review Week 15

A line segment has endpoints J (2, 4) and L (6, 8). The point K is the midpoint of 𝐽𝐿. What is an equation of a line perpendicular to 𝐽𝐿 and passing through K?

• 𝑦 = −𝑥 +10

• 𝑦 = −𝑥 −10

• 𝑦 = 𝑥 + 2

• 𝑦 = 𝑥 − 2

Tags

CCSS.HSG.GPE.B.6

Points W, X, Y, and Z are marked on the coordinate grid. Which statement below can be used to prove 𝑊𝑋 ⊥ 𝑋𝑌 ?

• [(4-1)/(4-2)] x [(1-4)/(4-1)] = 1

• [(4-1)/(4-2)] x [(1-4)/(4-1)] = -1

• [(4-1)/(4-(-2))] x [(1-4)/(4-1)] = 1

• [(4-1)/(4-(-2))] x [(1-4)/(4-1)] = -1

Tags

CCSS.HSG.CO.C.11

Triangle DAN is graphed on the set of axes below. The vertices of ∆𝐷𝐴𝑁 have coordinates 𝐷(−6,−1), 𝐴(6, 3), and

𝑁(−3, 1). What is the area of ∆𝐷𝐴𝑁?

• 6

• 120

• 20√13

• 40√13

Tags

CCSS.HSG.GPE.B.7

The regular polygon is rotated about its center. Which angle of rotation will carry the figure onto itself?

• 60°

• 108°

• 216°

• 540°

Tags

CCSS.HSG.CO.A.4

Triangle A'B'C' is the image of triangle ABC after a translation of 2 units to the right and 3 units up. Is triangle ABC congruent to triangle A'B'C'?

• Yes

• No

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6