Question

Tom wants to hang a mirror in his room. The mirror and frame must have an area of 14 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? Square with an inner frame with height of 3ft on the left frame and width of 4ft on the top. Arrow on the bottom frame with an x and an arrow on the right frame with an x. 4x2 + 14x − 2 = 0 3x2 + 10x − 14 = 0 2x2 + 12x − 14 = 0 x2 + 7x − 14 = 0

Answer 1

The answer to the problem is as follows:

Let the width of frame be x ' 

( 4 +2x ) ( 3+2x) = 14 

12 + 6x +8x +4x^2 = 14 

4x^2 +14x -2 = 0 

ANSWER is A)

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Answer 2

The answer is a, or the first option.