A quadratic function can be written in the form 

 is not equal to 0. Its graph is in the shape of a parabola. This video explains.

A number is divisible by another number if the answer does not have a remainder. Or, said another way, if the divisor is a factor of the dividend.

Long division is a method you can use to divide numbers by hand

The remainder is what you’re left with when dividing one whole number by another

Mathagon

Quadratic Function

Coefficient a

Coefficient b

Coefficient c

Axis of Symmetry

Drawing a Parabola

Factorized Form

Vertex Form

Quadratic Functions

A quadratic function can be written in the form f(x) = ax² + bx + c, where a is not equal to 0. Its graph is in the shape of a parabola. This video explains. 

What is a Quadratic Function?