Graphing Reciprocals of Quadratic Functions

It is required by graphing rules.

It helps in understanding the behavior of the reciprocal function.

It makes the graph easier to erase.

It makes the graph look more colorful.

Graphing the reciprocal function directly.

Identifying the zeros of the quadratic function.

Finding the vertex of the quadratic function.

Sketching the quadratic function.

It becomes zero.

It has a vertical asymptote.

It becomes a horizontal line.

It intersects the x-axis.

Three

Two

One

Four

1

3

-4

0

All y-values except 0

All y-values greater than 0

All y-values less than or equal to -1/4 and greater than 0

All y-values less than or equal to 1/4 and greater than 0

All x-values except 2

All real numbers

All x-values except 0

All x-values except -2

All y-values greater than 0

All y-values less than 0

All y-values between -1/2 and 0

All y-values between -1 and 0

It has no horizontal asymptote.

It has one vertical asymptote.

It has two vertical asymptotes.

It has no vertical asymptote.

All y-values greater than 1

All y-values except 0

All y-values less than 0

All y-values greater than 0