Verify Whether 1 is the Root of the Quadratic Equation : x^2+3x-4=0 - Algebra

Verify whether 1 is the root of the quadratic equation : `x^2+3x-4=0`

Solution

x² + 3x – 4 = 0
If x = 1 satisfies the quadratic equation, then 1 is a root of the quadratic equation.
1² + 3× 1 – 4 = 0
Hence Proved.

Concept: Quadratic Equations

Is there an error in this question or solution?

Q 1.5 Q 1.4 Q 1.6

2014-2015 (March)

APPEARS IN

2014-2015 (March) (with solutions)

Q 1.5 | 1 mark

Video TutorialsVIEW ALL [5]

view
Video Tutorials For All Subjects
Quadratic Equations

video tutorial00:06:43
Quadratic Equations

video tutorial00:10:08
Quadratic Equations

video tutorial00:17:19
Quadratic Equations

video tutorial00:14:09
Quadratic Equations

video tutorial01:12:00

Notifications

View all notifications

My Profile

My Profile [view full profile]

why create a profile on Shaalaa.com?
1. Inform you about time table of exam.
2. Inform you about new question papers.
3. New video tutorials information.

View in app×

Verify Whether 1 is the Root of the Quadratic Equation : x^2+3x-4=0 - Algebra

SolutionShow Solution

APPEARS IN

Video TutorialsVIEW ALL [5]

Select a course

My Profile

Solution