1:

Which equations represent linear functions? Select all that apply.

A

y=x2

B

−x=y

C

y=14x2+4

D

6x−3y=12

E

y=−2x2+1

B and D

Step-by-step explanation:

B and D are the only linear functions as the respected differential variable or c in this case, and the product variable, y in this case, have an exponent = 1. All the others have a quadratic term or an x^2

answer: the distance

step-by-step explanation:

to calculate the distance d of a line segment with endpoints (x1, y1) and (x2, y2) use the formula d (x2 x1)2 (y2 y1)2. to calculate the midpoint of a line segment with endpoints (x1, y1) and (x2, y2) use the formula

30 feet

step-by-step explanation:

that would be 2 1/2 * 12

= 24 + 6

= 30 feet   (answer)