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How do I solve this quadratic simultaneous equation?

0 votes
3x^2 - y^2 =3 [1]
2x - y =1 [2]
asked Jul 29, 2014 in ALGEBRA 2 by anonymous

1 Answer

0 votes

The equations are image and image

From second equation solve for y .

image

Substitute y in first equatuion.

image

image

image

image

Multiply each side by negative one.

image

image

Apply squre root on each side.

image

Substitute x in  y  = 2x -1.

image

image

Solution x  = 2 and y  = 3.

answered Jul 29, 2014 by david Expert

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