# Question #b1d06

##### 1 Answer

Apr 22, 2017

Substitute the right side of the second equation for y into the first equation.

Solve for the x coordinates

Use the second equation to find the corresponding y coordinates.

#### Explanation:

Given:

Substitute

Expand the square:

Combine like terms:

Divide both sides by 2:

Factor:

Use equation [2] to find the y coordinates:

The points that solve the two equation are

Here is a graph of the two equations:

graph{(x^2+y^2-25)(y-x+7)=0 [-10, 10, -5, 5]}