Posted by **Amber** on Monday, September 5, 2011 at 12:39pm.

Find the intercepts of the graph of x^2 + y^2 + 4xy - 2x + 7y = 8

- pre-calculus -
**Reiny**, Monday, September 5, 2011 at 12:49pm
for x-intercept , let y = 0

x^2 + 0 + 0 - 2x + 0 = 8

x^2 - 2x - 8 = 0

(x-4)(x+2) = 0

x = 4 or x = -2

so the x-intercepts are (4,0), and (-2,0)

for the y-intercepts, let x = 0

0+y^2 + 0 - 0 + 7y =8

..

..

you finish it, let me know what you get.

## Answer this Question

## Related Questions

- math pre calculus - find the following for the function f(x)=(x+5)^2(x-2)^2 a....
- Pre-Calculus - Identify the following features of the graph of g(x) = (3/2)^x+2 ...
- Pre-Calculus - Radical Functions Graph y=(x-3)(x+2) and y=√(x-3)(x+2). ...
- pre-calculus - R(x)=x^2+x-6 ________ x-3 1. find the domain and y-intercepts 2. ...
- Pre - CALCULUS - Find the x-intercepts (if any) for the graph of the quadratic ...
- Math - If a graph of a quadratic function can have 0, 1 or 2 x-intercepts. How ...
- math-please help,need quickly - find the slant asymptote of the graphof the ...
- quadratic functions - The graph of a quadratic function can have 0, 1 or 2 x-...
- pre calculus - Write the equation of the circle in standard form. Find the ...
- pre-calculus - Find the intercepts of the graph of the equation y= x^2 -4 ...

More Related Questions