Question

2)
Draw the
graph of y= ax + bx+c
when
a< 0.​

Answer 1

Answer:

Since parabola is upward a>0

Curve is crossing x-axis at two points ⇒ roots are real ⇒b2−4ac>0

Roots are of opposite signs c/a<0⇒c<0

Also magnitude of +ve root is larger ⇒ sum of roots >0

⇒−b/a>0⇒b<0