0 like 0 dislike
17 views
Please help with these simultaneous equations

$$ y = 2x - 2 $$

$$2x^{2} = 2 -y^{2}$$
in Grade 12 Maths by Diamond (39.7k points) | 17 views

1 Answer

0 like 0 dislike
substituting 1 into 2

2x^2 = 2-(2x -2)^2

 3x^2 -4x +1=0

 (3x-1)(x-1)=0

      x= 1/3 or 1

then y= 2(1/3) -2= -1 1/3 or -1.33

        or y= 2(1) -2= 0
by Silver Status (31.3k points)

Related questions

0 like 0 dislike
1 answer
0 like 0 dislike
1 answer
asked Aug 8, 2019 in Grade 12 Maths by Tedsf Diamond (39.7k points) | 20 views
Welcome to MathsGee Skills Question and Answer Bank, a platform, where you can ask study questions and receive answers from other members of the community. Help is always 100% FREE!
MathsGee Q&A is the knowledge-sharing community where millions of students and experts put their heads together to crack their toughest homework questions.

Enter your email address:

Categories