2x^2 + x + 3=0 has only complex roots.
The determinant is 1-4*2*3 = -23
-23 (or any determinant) is the part under the square root sign, If that determinant is negative, knowing you cannot take the square root of a negative number, we know the answers must be complex.
Multiply that by the height since the base is already length X width thats all you need to do, and you get 1562.4!
Answer:
if i were to answer...i would go for B, but dont use my answer if u disapprove cuz I, myself, isnt sure
Step-by-step explanation: