document.write( "Question 1203554: Graph the equation y = - 3x^2\r
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document.write( "Can you please explain to me this homework question by showing the steps? Thank you very much! \n" );
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Algebra.Com's Answer #839208 by math_tutor2020(3817)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "A graph is a collection of (x,y) points on the xy grid. \n" ); document.write( "Often we connect the dots with some kind of line or curve. \n" ); document.write( "In this case we'll have a bowl-shaped curve known as a parabola.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "We select values of x to find corresponding values of y to get the (x,y) points needed.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let's try x = -1 \n" ); document.write( "y = -3x^2 \n" ); document.write( "y = -3(-1)^2 \n" ); document.write( "y = -3(1) \n" ); document.write( "y = -3 \n" ); document.write( "Therefore the input x = -1 in the domain maps to y = -3 in the range. \n" ); document.write( "In short, the point (x,y) = (-1,-3) is on the parabola.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Repeat similar steps to find that (0,0) and (1,-3) are other points on the parabola.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Do this as many times as needed to generate the points to form the parabola. The more points you plot, the more accurate the curve will be. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Graph: \n" ); document.write( " \n" ); document.write( "I recommend using a graphing tool like Desmos or GeoGebra (or similar) to verify the answer. \n" ); document.write( " \n" ); document.write( " |