What is the equation for the line of symmetry for the graph of the function #y=-4x^2+6x-8#?
2 Answers
The axis of symmetry is the line
Explanation:
The standard form for the equation of a parabola is
The line of symmetry for a parabola is a vertical line. It can be found by using the formula
In
Substitute b and c to get:
The axis of symmetry is the line
Explanation:
A parabola such as
can be put in the so called line of symmetry form by
choosing
where
solving for
In the present case we have