document.write( "Question 246344: Write a system of equations that has 2 lines that intersect at (-3,7) and have (-3,7) as a solution and show me how to solve it. \n" ); document.write( "
Algebra.Com's Answer #180021 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Write a system of equations that has 2 lines that intersect at (-3,7) and have (-3,7) as a solution and show me how to solve it. \n" ); document.write( ": \n" ); document.write( "We can choose the slopes then use the point slope formula; y-y1 = m(x-x1) \n" ); document.write( "slope of the 1st line m=3 \n" ); document.write( "y - 7 = 3(x - (-3)) \n" ); document.write( "y - 7 = 3(x + 3) \n" ); document.write( "y - 7 = 3x + 9 \n" ); document.write( "y = 3x + 9 + 7 \n" ); document.write( "y = 3x + 16, 1st line equation \n" ); document.write( ": \n" ); document.write( "slope of the 2nd line m=-4 \n" ); document.write( "y - 7 = -4(x - (-3)) \n" ); document.write( "y - 7 = -4(x + 3) \n" ); document.write( "y - 7 = -4x - 12 \n" ); document.write( "y = -4x - 12 + 7 \n" ); document.write( "y = -4x - 5, 2nd line equation \n" ); document.write( ": \n" ); document.write( "will look like this \n" ); document.write( " |