Problemas
A photograph has a length that is 2 inches longer than its width, x. So its area is given by the expression x(x+2) square inches. If the area of the photograph is 48 square inches, what is the width of the photograph? The width of the photograph is __ inches. The solution is square
Roztwór
Octavia
élite · Tutor durante 8 años
4.6
(248 Votos)
Respuesta
To find the width of the photograph, we need to solve the equation
for
.Step 1: Expand the equation
Step 2: Move all terms to one side of the equation
Step 3: Factor the quadratic equation
Step 4: Set each factor equal to zero and solve for
or
or
Since the width of the photograph cannot be negative, we discard the solution
.Therefore, the width of the photograph is 6 inches.The solution is 6.