Question

Sarah wants to hang a mirror in her room. The mirror and frame must have an area of 15 square feet. The mirror is 3 feet wide and 4 feet long. Which quadratic equation can be used to determine the thickness of the frame, x?

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3x2 + 14x − 2 = 0
4x2 + 14x − 3 = 0
x2 + 12x − 14 = 0
2x2 + 7x − 14 = 0

Answer 1

@rishavraj

Answer 2

What do you think?

Answer 3

did u do any work???

Answer 4

I dont know how to figure it out :\

Answer 5

does tht mean tht area of mirror equals area of frame..????
just assurng....

Answer 6

wht do u think whts the dimensions of the farme???

Answer 7

i dont think so

Answer 8

*frame??

Answer 9

maybe a foot, or a foot and a half

Answer 10

http://prntscr.com/7utaal

Answer 11

So 4+2x on one side and 3+2x on the other

Answer 12

yuppp....

Answer 13

Is it B?

Answer 14

yup.... :))

Answer 15

Thank yoouuuu

Answer 16

yw :))