Home
Class 12
MATHS
if a gt 0 and b^2 - 4ac =0 , then ...

if ` a gt 0` and ` b^2 - 4ac =0` , then the curve ` y= ax^2 +bx +c`

A

Cuts the x- axis

B

touches the x- axis lies below it

C

lies entirely above the x- axis

D

touches the x- axis and lies above it

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EXPRESSIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 ( SPECIAL TYPE QUESTIONOS ) ( SET -1)|4 Videos

  • QUADRATIC EXPRESSIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 ( SPECIAL TYPE QUESTIONOS ) ( SET -2)|4 Videos

  • QUADRATIC EXPRESSIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 1A (QUADRATIC EQUATIONS)|288 Videos

  • PROPERTIES OF TRIANGLES

    DIPTI PUBLICATION ( AP EAMET)|Exercise EXERCISE 2 (SPECIAL TYPE QUESTIONS) Set-4|10 Videos

  • RELATIONS

    DIPTI PUBLICATION ( AP EAMET)|Exercise Exercise|49 Videos

Similar Questions

Explore conceptually related problems

If a=c=4b , then the roots of ax ^(2) + 4 bx + c =0 are

If a>0 then the shape of ax^2+bx+c=0 is ……

If a<0 then the shape of ax^2+bx+c=0 is ,……..

If b^(2) - 4ac gt 0 "in" ax^(2) + bx + c = 0, then what can you say about roots of the equation ? (a ne 0)