Assertion: parabola's value | /r/HasProperty | latex]x=-\frac{b}{2a},[/latex
Facets:
value: always
type: DEGREE
Source sentences:
text: If we use the quadratic formula, [latex]x=\frac{-b\pm \sqrt{{b}^{2}-4ac}}{2a},[/latex] to solve [latex]a{x}^{2}+bx+c=0[/latex] for the x-intercepts, or zeros, we find the value of x halfway between them is always [latex]x=-\frac{b}{2a},[/latex] the equation for the axis of symmetry.