If the graph of a quadratic polynomial ax2+bx+c touches the X-axis at two points (as shown above), which of the following statements is correct?
A
The corresponding quadratic equation ax2+bx+c=0 has NO real roots.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
The corresponding quadratic equation ax2+bx+c=0 has 1 real root.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
The corresponding quadratic equation ax2+bx+c=0 has 2 real roots.
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
Nothing can be concluded from the graph.
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is B The corresponding quadratic equation ax2+bx+c=0 has 2 real roots. If graph touches x−axis at two points then it means D>0. So two real roots.