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