# Prove

Prove that k1 and k2 is the equations of two circles. Find the equation of the line that passes through the centers of these circles.

k1: x

k2: x

k1: x

^{2}+y^{2}+2x+4y+1=0k2: x

^{2}+y^{2}-8x+6y+9=0**Result****Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):**

**Showing 0 comments:**

**Be the first to comment!**

Tips to related online calculators

For Basic calculations in analytic geometry is helpful line slope calculator. From coordinates of two points in the plane it calculate slope, normal and parametric line equation(s), slope, directional angle, direction vector, the length of segment, intersections the coordinate axes etc.

Looking for help with calculating roots of a quadratic equation?

Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

Pythagorean theorem is the base for the right triangle calculator.

See also our trigonometric triangle calculator.

Looking for help with calculating roots of a quadratic equation?

Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation?

Pythagorean theorem is the base for the right triangle calculator.

See also our trigonometric triangle calculator.

#### Following knowledge from mathematics are needed to solve this word math problem:

## Next similar math problems:

- Touch x-axis

Find the equations of circles that pass through points A (-2; 4) and B (0; 2) and touch the x-axis. - Theorem prove

We want to prove the sentence: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started? - Roots

Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ? - Thunderstorm

The height of the pole before the storm is 10 m. After a storm when they come to check it they see that on the ground from the pole blows part of the column. Distance from the pole is 3 meters. At how high was the pole broken? (In fact, a rectangular tria - Circle

Circle touch two parallel lines p and q; and its center lies on a line a, which is secant of lines p and q. Write the equation of circle and determine the coordinates of the center and radius. p: x-10 = 0 q: -x-19 = 0 a: 9x-4y+5 = 0 - RTriangle 17

The hypotenuse of a right triangle is 17 cm. If you decrease both two legs by 3 cm you will reduce the hypotenuse by 4 cm. Determine the length of this legs. - RT and circles

Solve right triangle if the radius of inscribed circle is r=9 and radius of circumscribed circle is R=23. - On line

On line p: x = 4 + t, y = 3 + 2t, t is R, find point C, which has the same distance from points A [1,2] and B [-1,0]. - Center

In the triangle ABC is point D[1,-2,6], which is the center of the |BC| and point G[8,1,-3], which is the center of gravity of the triangle. Find the coordinates of the vertex A[x,y,z]. - Quadratic equation

Find the roots of the quadratic equation: 3x^{2}-4x + (-4) = 0. - Variable

Find variable P: PP plus P x P plus P = 160 - Distance problem 2

A=(x,2x) B=(2x,1) Distance AB=√2, find value of x - Solve 3

Solve quadratic equation: (6n+1) (4n-1) = 3n^{2} - Equation

Equation ? has one root x_{1}= 8. Determine the coefficient b and the second root x_{2}. - Discriminant

Determine the discriminant of the equation: ? - Catheti

The hypotenuse of a right triangle is 41 and the sum of legs is 49. Calculate the length of its legs. - The fence

I'm building a fence. Late is rounded up in semicircle. The tops of late in the field between the columns are to copy an imaginary circle. The tip of the first and last lath in the field is a circle whose radius is unknown. The length of the circle chord