If one of the roots of the equation x^2+kx=6 is 2, what is the value of k?

Tianna Mayer

Tianna Mayer

Answered question

2022-12-31

If one of the roots of the equation x2+kx=6 is 2, what is the value of k?

Answer & Explanation

mercerizoblx

mercerizoblx

Beginner2023-01-01Added 7 answers

x2Sx+P=0x2+kx6=0
a+b=k
ab=6
b=2a=3
3+2=k
1=k
Thaddeus Herman

Thaddeus Herman

Beginner2023-01-02Added 1 answers

Let's resolve the quadratic equation for k:
kx=6x2
k=6x2x
Let's plug it into the equation and find k if one root equals 2.
k=6(22)2=642=22
k=1

Do you have a similar question?

Recalculate according to your conditions!

Ask your question.
Get an expert answer.

Let our experts help you. Answer in as fast as 15 minutes.

Didn't find what you were looking for?