Carmen is using the quadratic equation open paren x plus 15 close paren times x is equal to 100 where x represents the width of a picture frame. Which statement about the solutions x is equal to 5 and x is equal to negative 20 is true?
Answer
A
The solution x is equal to negative 20 should be kept, but x is equal to 5 is unreasonable.
B
The solution x is equal to 5 should be kept, but x is equal to negative 20 is unreasonable.
C
The solutions x is equal to 5 and x is equal to negative 20 are unreasonable.
D
The solutions x is equal to 5 and x is equal to negative 20 are reasonable.