Question

What is standard form of the parabola: `4x + y^2+ 2y=-5`?

Answer 1

`x = -1/4y^2 -1/2y -5`

Explanation:

Since this is a parabola with a horizontal axis of symmetry,
its standard form is
`color(white)("XXXX")` `x = ay^2+by+c`

A bit of rearranging of terms should give the equation specified in the Answer.
(Note: this equation is not a function.)