can someone give me answers for these two questions please :)

Question 2

Solve for r in the equation C = 2d – 2r
A) r = C + 2d – 2

B) r = -c + 2d/2

C) r = c + 2d/ -2

D) r = C + 2d

Question 4

A) (0, –3)

B) (0, 5)

C) (0, 3)

D) (0, –5)

Question

can someone give me answers for these two questions please :)

Question 2

Solve for r in the equation C = 2d – 2r
A)  r = C + 2d – 2

B)  r = -c + 2d/2

C) r = c + 2d/ -2

D)  r = C + 2d



Question 4

A) (0, –3)

B) (0, 5)

C) (0, 3)

D) (0, –5)

anonymous · Answer

the question for #4 is What is the y-intercept of the graph of 3x – 5y = 15

anonymous · Answer

C = 2d – 2r
-2d from both sides.  

-2d+C=-2r

-2r=C+2d
---  ------
  -2     -2

r=C/-2 -d

anonymous · Answer

Thats for question 2 ^^^

anonymous · Answer

Check : http://www.wolframalpha.com/input/?i=C+%3D+2d+%E2%80%93+2r+solve+for+r

anonymous · Answer

For question 4 you just plot out the graph, and the y intercept is -3.

anonymous · Answer

so its 0,-3

anonymous · Answer

Correct.

anonymous · Answer

ok wait so #2 which answer choice is it
is it a,b,c,or d?