Question 89280
Y=X^2-3X-1
0=X^2-3X-1
USING THE QUADRATIC EQUATION: {{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}} WE GET:
X=(3+-SQRT{-3^2-4*1*-1])/2*1
X=(3+-SQRT9+4])/2
X=(3+-SQRT13)/2
X=(3+-3.6)/2
X=(3+3.6)/2
X=6.6/2
X=3.3 ANSWER.
X=(3-3.6)/2
X=-.6/2
X=-.3 ANSWER.
{{{ graph( 300, 200, -6, 5, -10, 10,  y = x^2 -3x -1 ) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, y = x^2 -3x -1).