Wednesday

April 23, 2014

April 23, 2014

Posted by **korain** on Monday, June 6, 2011 at 12:27pm.

- math -
**Anonymous**, Monday, June 6, 2011 at 10:31pmx^2+2xy+y^2+x+y-2=0

Decomposition:

(x+y-1)(x+y+2)=0

Expresion has zeros when:

x+y-1=0

and

(x+y+2)=0

x+y-1=0

y= -x+1

x+y+2=0

y= -x-2

Equation of sraight line:

y = mx + b

m=slope

b=y-intercept

y= -x+1 Slope -1

y= -x-2 Slope -1

Lines with the same slope are parallel.

**Related Questions**

math - show that the equation x^2+2xy+y^2+x+y-2=0 rebresent two paralil straight...

algebra or math - find the two equations of lines that are parallel and ...

Math - Show the two lines (x/2-1/2)=(y/3-2/3)=(z/4-3/4) and (x/5-4/5)=z ...

MATH - How can you determine if two lines are perpendicular? · How the slopes of...

MATH - Post your 50 or more word response to the following in the assignment ...

Math - What will the graph look like for a system of equations that has no ...

Vectors - I am really lost and confused! Consider the lines r = (1,-1,1) + t(3,2...

calculus - Two lines through the point(1,-3) are tangent to the curve y=x2. Find...

math - Find the slope of the lines that are (a) parallel lines (b) perpendicular...

math - Find the slope of the lines that are (a) parallel lines (b) perpendicular...