Question

Consider the graph of quadratic trinomial $y=a{x}^2+bx+c$ as shown below where $x_1$ and $x_2$ are the roots of the equation $a{x}^2+bx+c=0$. Which of the following statement(s) is(are) correct?

• A. $a-b-c<0$
• B. $bc<0$
• C. $b>0$
• D. b and c have the same sign and different from a

Answer 1

Answer: (A), (C), (D)

Clearly, a < 0, b > 0, c > 0