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ValentinkaMS [17]

3 years ago

11

A picture frame is 4 inches taller than it is wide and has an area of 192 square inches. What are the dimensions of the picture

frame? using the quadratic method
thank you :)

1 answer:

Masteriza [31]3 years ago

5 0

Answer: width is 12, length is 16

Step-by-step explanation:

A= l*w

l=w+4

A=w(w+4)

$A=192\\192=w^{2} +4w\\0=w^{2} +4w-192$

factor

(w+16)(w-12)

w= -16 or w=12

width is 12, length is 16

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