document.write( "Question 388867: graph the function
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document.write( "y=[-3x]-1 \n" );
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Algebra.Com's Answer #275288 by haileytucki(390)![]() ![]() You can put this solution on YOUR website! y=[-3x]-1\r \n" ); document.write( "\n" ); document.write( "To find the x-intercept, substitute in 0 for y and solve for x. \n" ); document.write( "(0)=[-3x]-1\r \n" ); document.write( "\n" ); document.write( "Since x is on the right-hand side of the equation, switch the sides so it is on the left-hand side of the equation. \n" ); document.write( "[-3x]-1=(0)\r \n" ); document.write( "\n" ); document.write( "Remove the parentheses around the expression -3x. \n" ); document.write( "-3x-1=(0)\r \n" ); document.write( "\n" ); document.write( "Remove the parentheses around the expression 0. \n" ); document.write( "-3x-1=0\r \n" ); document.write( "\n" ); document.write( "Since -1 does not contain the variable to solve for, move it to the right-hand side of the equation by adding 1 to both sides. \n" ); document.write( "-3x=1\r \n" ); document.write( "\n" ); document.write( "Divide each term in the equation by -3. \n" ); document.write( "-(3x)/(-3)=(1)/(-3)\r \n" ); document.write( "\n" ); document.write( "Simplify the left-hand side of the equation by canceling the common factors. \n" ); document.write( "x=(1)/(-3)\r \n" ); document.write( "\n" ); document.write( "Simplify the right-hand side of the equation by simplifying each term. \n" ); document.write( "x=-(1)/(3)\r \n" ); document.write( "\n" ); document.write( "To find the y-intercept, substitute in 0 for x and solve for y. \n" ); document.write( "y=[-3(0)]-1\r \n" ); document.write( "\n" ); document.write( "Multiply -3 by each term inside the parentheses. \n" ); document.write( "y=0-1\r \n" ); document.write( "\n" ); document.write( "Solve the equation. \n" ); document.write( "y=-1\r \n" ); document.write( "\n" ); document.write( "These are the x and y intercepts of the equation y=[-3x]-1. \n" ); document.write( "x=-(1)/(3), y=-1 \n" ); document.write( " |