Question 389241
<pre><font size = 3 color = "indigo"><b>
Hi
y= -5x^2+8x-3
at x-intercept , y = 0
 -5x^2 + 8x - 3 = 0
uaing the Quadratic Formula to solve
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}}
{{{x = (-8 +- sqrt( 4))/(-10) }}}
{{{x = (-8 +- 2)/(-10) }}}
   x = 6/10 = .6 (already determined by the question)
   x = 10/10 = 1
{{{drawing(300,300, -6, 6, -6, 6, grid(1),
circle(1, 0,0.3),
circle(.6, 0,0.3),
graph( 300, 300, -6, 6, -6, 6, -5x^2+8x-3))}}}