Find the coordinats if: y=x^2+3x and y=4x+6

BenoguigoliB

BenoguigoliB

Answered question

2021-08-19

Find the coordinats if:
y=x2+3x
and
y=4x+6

Answer & Explanation

Demi-Leigh Barrera

Demi-Leigh Barrera

Skilled2021-08-20Added 97 answers

Given:
(a) y=x2+3x
(b) y=4x+6
Substitute (a) to (b) to solve for x:
x2+3x=4x+6
x2x6=0
Factor:
(x+2)(x-3)=0
x=-2. x=3
Substitute to solve y:
1) If x=-2:
y=4(-2)+6
=-2
If x=3:
y=4(3)+6
=18

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?