CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

The graph of a quadratic polynomial f(x)=ax2+bx+c is shown below


Which of the following options is/are true for the graph?

A
ab+c>0
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
4a2b+c<0
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
9a3b+c>0
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
a2b+4c<0
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct options are
A ab+c>0
C 9a3b+c>0

From the given graph,
f(x)>0, xR
Now,
f(1)>0ab+c>0

Similarly,
f(2)>04a2b+c>0f(3)>09a3b+c>0f(12)>0a4b2+c>0a2b+4c>0

flag
Suggest Corrections
thumbs-up
1
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Quadratic Polynomials
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon