# Graph x^2+y^2+2x-6y-15

Graph x^2+y^2+2x-6y-15
Add to both sides of the equation.
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 .
Cancel the common factor.
Rewrite the expression.
Find the value of using the formula .
Simplify each term.
Raise to the power of .
Multiply by .
Cancel the common factor of .
Cancel the common factor.
Rewrite the expression.
Multiply by .
Subtract from .
Substitute the values of , , and into the vertex form .
Substitute for in the equation .
Move to the right side of the equation by adding to both sides.
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 .
Simplify the right side.
Cancel the common factor of and .
Factor out of .
Cancel the common factors.
Factor out of .
Cancel the common factor.
Rewrite the expression.
Divide by .
Multiply by .
Find the value of using the formula .
Simplify each term.
Raise to the power of .
Multiply by .
Divide by .
Multiply by .
Subtract from .
Substitute the values of , , and into the vertex form .
Substitute for in the equation .
Move to the right side of the equation by adding to both sides.
Simplify .
This is the form of a circle. Use this form to determine the center and radius of the circle.
Match the values in this circle to those of the standard form. The variable represents the radius of the circle, represents the x-offset from the origin, and represents the y-offset from origin.
The center of the circle is found at .
Center:
These values represent the important values for graphing and analyzing a circle.
Center:
Do you know how to Graph x^2+y^2+2x-6y-15? If not, you can write to our math experts in our application. The best solution for your task you can find above on this page.

### Name

Name one billion six hundred ninety-nine million two hundred fifteen thousand seven hundred seventy-two

### Interesting facts

• 1699215772 has 16 divisors, whose sum is 3946565952
• The reverse of 1699215772 is 2775129961
• Previous prime number is 31

### Basic properties

• Is Prime? no
• Number parity even
• Number length 10
• Sum of Digits 49
• Digital Root 4

### Name

Name one billion five hundred seventy-nine million one hundred thirty-seven thousand nine hundred eighty-one

### Interesting facts

• 1579137981 has 16 divisors, whose sum is 2131852800
• The reverse of 1579137981 is 1897319751
• Previous prime number is 479

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 51
• Digital Root 6

### Name

Name one billion six hundred ninety-nine million eighty-nine thousand five hundred eighty-one

### Interesting facts

• 1699089581 has 8 divisors, whose sum is 1942376640
• The reverse of 1699089581 is 1859809961
• Previous prime number is 3659

### Basic properties

• Is Prime? no
• Number parity odd
• Number length 10
• Sum of Digits 56
• Digital Root 2