document.write( "Question 519484: Find the vertex, x and y intercepts of the parabola given by the equation
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document.write( "Y=3x2 -2x+1 \n" );
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Algebra.Com's Answer #345636 by oberobic(2304)![]() ![]() ![]() You can put this solution on YOUR website! y = 3x^2 -2x +1 \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "Axis is symmetry = -b/2a = -(-2)/2(3) = 2/6 = 1/3 \n" ); document.write( "x = 1/3 \n" ); document.write( ". \n" ); document.write( "Vertex is point on the axis of symmetry defined by x=1/3 \n" ); document.write( "y = 3(1/3)^2 - 2(1/3) + 1 \n" ); document.write( "y = 3/9 - 2/3 +1 \n" ); document.write( "y = 3/9 - 6/9 + 9/9 \n" ); document.write( "y = 6/9 = 2/3 \n" ); document.write( "(1/3, 2/3) \n" ); document.write( ". \n" ); document.write( "y-intercept occurs when x=0, which is 1. \n" ); document.write( ". \n" ); document.write( "The equation does not factor, so the quadratic equation may be tried. \n" ); document.write( ". \n" ); document.write( " \n" ); document.write( ". \n" ); document.write( "For these solutions to exist, the discriminant b^2-4ac should not be a negative number. \n" ); document.write( ". \n" ); document.write( "In this case the discriminant is -8. That means that there are no solutions among real numbers. \n" ); document.write( " \n" ); document.write( " |