Taking Test 2 Questions
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1. X varies directly with Y. Find the direct variation equation if y=18, x=2

2. Does y vary inversely with x? If so, find the constant of variation. x=10/y (fraction)

6mm^3 or .6cm^3

      216

      /   \

  36     6

  /   \     /

6     6   6

factor trees are nice.

b) k’(6, 4); l’(3, 3)

step-by-step explanation:

a 270° clockwise rotation maps every point (x, y) to (y, -x). (it negates the x-coordinate and then switches it and the y-coordinate.)

this means the endpoints of the side congruent to kl, k' and l', would be mapped as:

k'(-4, 6)→(6, 4)

l'(-3, 3)→(3, 3)

question 1: step-by-step explanation:

1/4 of 84 = 84÷4= 21