document.write( "Question 586509: what is the slope and y-intercept of 4x+5y=-20 \n" ); document.write( "
Algebra.Com's Answer #373796 by tw23279(14)![]() ![]() ![]() You can put this solution on YOUR website! Move the equation around! That's the heart of Algebra! \n" ); document.write( "So since 4x + 5y = -20 \n" ); document.write( "5y = -4x - 20 \n" ); document.write( "y= (-4x - 20) / 5 \n" ); document.write( "Since -4x and 20 are TERMS, not factors. we have to divide them both individually by 5, and we get that: \n" ); document.write( "y= (-4/5x) - 4 \n" ); document.write( "And we know that this is in the form y = mx + b \n" ); document.write( "Just look at it \n" ); document.write( "And m = slope = -4/5 \n" ); document.write( "b = y-intercept = -4 \n" ); document.write( " |