# Graph y equals minus x to the power of two minus twelve x minus thirty-seven

Reformulate the equation as the vertex.

Complete the square for .

Consider the form, to find the values of , , and .

Consider the vertex form of a parabola.

Replace the values of and into the formula .

Clarify the right side.

The common factor should be canceled of and .

Factor out of .

Move the negative one from the denominator of .

First, multiply.

Multiply by .

Multiply by .

Find the value of using the formula .

Clarify each term.

Raise to the power of .

Multiply by .

First, divide by .

Multiply by .

Add and .

Substitute the values of , , and into the vertex form .

Set equal to the new right side.

Consider the vertex form, , to determine the values of , , and .

Since the value of is negative, the parabola opens down.

Opens Down

Find the vertex .

Calculate , the distance from the vertex to the focus.

Find the distance from the vertex to a focus of the parabola by using the following formula.

Substitute the value of into the formula.

The common factor should be canceled and .

Should be rewritten as .

Put the negative in front of the fraction.

Calculate the focus.

The focus of a parabola can be found by adding to the y-coordinate if the parabola opens up or down.

Replace the known values of , , and into the formula and simplify.

Calculate the axis of symmetry by Calculateing the line that passes through the vertex and the focus.

Calculate the directrix.

The directrix of a parabola is the horizontal line found by subtracting from the y-coordinate of the vertex if the parabola opens up or down.

Substitute the known values of and into the formula and simplify.

Analyze and plot the parabola using its characteristics.

Direction: Opens Down

Vertex:

Focus:

Axis of Symmetry:

Directrix:

Direction: Opens Down

Vertex:

Focus:

Axis of Symmetry:

Directrix:

Replace the variable with in the expression.

Clarify the result.

Clarify each term.

Raise to the power of .

Multiply by .

Multiply by .

Clarify by adding and subtracting.

Add and .

Subtract from .

The result is .

The value at is .

Replace the variable with in the expression.

Simplify the result.

Simplify each term.

Raise to the power of .

Multiply by .

Multiply by .

Simplify by adding and subtracting.

Add and .

Subtract from .

The result is .

The value at is .

Replace the variable with in the expression.

Simplify the result.

Simplify each term.

Raise to the power of .

Multiply by .

Multiply by .

Simplify by adding and subtracting.

Add and .

Subtract from .

The final answer is .

The value at is .

Replace the variable with in the expression.

Simplify the result.

Simplify each term.

Raise to the power of .

Multiply by .

Multiply by .

Simplify by adding and subtracting.

Add and .

Subtract from .

The final answer is .

The value at is .

Use the characteristics and points to plot the parabola.

Graph the parabola using its properties and the selected points.

Direction: Opens Down

Vertex:

Focus:

Axis of Symmetry:

Directrix:

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