document.write( "Question 62196: I am lost on this one\r
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document.write( "Graph Y=3x^2-8x+2 and give the vertex, dpmai and range?\r
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document.write( "Thank you for your help \n" );
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Algebra.Com's Answer #43265 by funmath(2933)![]() ![]() ![]() You can put this solution on YOUR website! Graph Y=3x^2-8x+2 and give the vertex, domain and range?\r \n" ); document.write( "\n" ); document.write( "The y-intercept happens when x=0 \n" ); document.write( "y=3(0)^2-8(0)+2 \n" ); document.write( "y=0-0+2 \n" ); document.write( "y=2 Plot (0,2) \n" ); document.write( ": \n" ); document.write( "The quadratic equation is in standard form \n" ); document.write( "a=3, b=-8, and c=2 \n" ); document.write( "Because a is positive, the parabola opens upward. \n" ); document.write( "The x coordinate of the vertex is found with the formula \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Substitute that into the equation to find the y coordinate. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "The vertex is (4/3,-10/3) \n" ); document.write( "The domain for all parabolas is all real numbers. {x|x=R} \n" ); document.write( "The range is from the vertex upward since it opens upward. {y|y>=-10/3} \n" ); document.write( " \n" ); document.write( "Happy Calculating!!! \n" ); document.write( " \n" ); document.write( " |