Wednesday

November 26, 2014

November 26, 2014

Posted by **ashley** on Monday, April 9, 2012 at 8:51pm.

i need to help i have tried this problem but i cannot find the right answer i need to determine the real solutions for this:

x^2+4xy=10

4x^2-xy=6

- algebra -
**bobpursley**, Monday, April 9, 2012 at 9:26pmmultipy the bottom equation by 4

x^2+4xy=10

16x^2-4xy=24

add the equations

17x^2=34

solve for x, you get +-sqrt2

put each of those values into the first equation, and solve for y.

I will do the -sqrt2=x for you.

2-y4sqrt2=10

4ysqrt2=-8

y=-2/sqrt2= -sqrt2

now do the solution of y for x=+sqrt2

**Answer this Question**

**Related Questions**

algebra - systems of nonlinear equations i need to help i have tried this ...

please help!! algebra - systems of nonlinear equations i need to help i have ...

Algebra - I have major issues with problems like these,please I need help. For ...

Algebra - Pulling my hair, need help! For the systems of linear equations in ...

algebra 2 - i really need help on these..i dont understand ....i need to find ...

College Algebra - I am using Hawkes Learning System (8.7 Nonlinear Systems of ...

College Algebra - I need a little help with this problem. P(x)=2x^4-17x^3+47x^2-...

pre-alg - I need help to create an addition word problem and a subtraction word ...

Math ; please please help. - 1. Explain in detail how to determine the value of ...

math - Hi I need help with this math problem: The plane that contains the points...