Graph y=x^2-3

Graph y=x^2-3
Find the properties of the given parabola.
Rewrite the equation in vertex form.
Complete the square for .
Use the form , to find the values of , , and .
Consider the vertex form of a parabola.
Substitute the values of and into the formula .
Cancel the common factor of and .
Factor out of .
Cancel the common factors.
Cancel the common factor.
Rewrite the expression.
Divide by .
Find the value of using the formula .
Simplify each term.
Raising to any positive power yields .
Multiply by .
Divide by .
Multiply by .
Substitute the values of , , and into the vertex form .
Set equal to the new right side.
Use the vertex form, , to determine the values of , , and .
Since the value of is positive, the parabola opens up.
Opens Up
Find the vertex .
Find , 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.
Cancel the common factor of .
Cancel the common factor.
Rewrite the expression.
Find the focus.
The focus of a parabola can be found by adding to the y-coordinate if the parabola opens up or down.
Substitute the known values of , , and into the formula and simplify.
Find the axis of symmetry by finding the line that passes through the vertex and the focus.
Find 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.
Use the properties of the parabola to analyze and graph the parabola.
Direction: Opens Up
Vertex:
Focus:
Axis of Symmetry:
Directrix:
Direction: Opens Up
Vertex:
Focus:
Axis of Symmetry:
Directrix:
Select a few values, and plug them into the equation to find the corresponding values. The values should be selected around the vertex.
Replace the variable with in the expression.
Simplify the result.
Raise to the power of .
Subtract from .
The value at is .
Replace the variable with in the expression.
Simplify the result.
Raise to the power of .
Subtract from .
The value at is .
Replace the variable with in the expression.
Simplify the result.
One to any power is one.
Subtract from .
The value at is .
Replace the variable with in the expression.
Simplify the result.
Raise to the power of .
Subtract from .
The value at is .
Graph the parabola using its properties and the selected points.
Graph the parabola using its properties and the selected points.
Direction: Opens Up
Vertex:
Focus:
Axis of Symmetry:
Directrix:
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Name

Name four hundred eleven million four hundred twenty thousand three hundred nine

Interesting facts

• 411420309 has 8 divisors, whose sum is 548694720
• The reverse of 411420309 is 903024114
• Previous prime number is 4759

Basic properties

• Is Prime? no
• Number parity odd
• Number length 9
• Sum of Digits 24
• Digital Root 6

Name

Name one billion four hundred ten million nine hundred ninety-one thousand six hundred eighteen

Interesting facts

• 1410991618 has 16 divisors, whose sum is 2135299320
• The reverse of 1410991618 is 8161990141
• Previous prime number is 197

Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 40
• Digital Root 4

Name

Name one billion five hundred ninety-six million forty-eight thousand one hundred thirty-five

Interesting facts

• 1596048135 has 16 divisors, whose sum is 1862350848
• The reverse of 1596048135 is 5318406951
• Previous prime number is 367

Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 42
• Digital Root 6