Check my answer please!

Alexei wants to hang a mirror in his boat, and put a frame around it. The mirror and frame must have an area of 19.25 square feet. The mirror is 3 feet wide and 5 feet long. Which quadratic equation can be used to determine the thickness of the frame, x?
My answer is 4x^2+16x+15.

Question

Check my answer please!

Alexei wants to hang a mirror in his boat, and put a frame around it. The mirror and frame must have an area of 19.25 square feet. The mirror is 3 feet wide and 5 feet long. Which quadratic equation can be used to determine the thickness of the frame, x?
My answer is 4x^2+16x+15.

pandaecat · Answer

The choices are
 2x^2 + 8x − 19.25 = 0 
3x^2 + 5x − 19.25 = 0 
4x^2 + 16x − 4.25 = 0
 4x^2 + 16x + 15 = 0

triciaal · Answer

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