document.write( "Question 328393: Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function, and graph the function. f(x)=2x^2-8x+19 \n" ); document.write( "
Algebra.Com's Answer #235266 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "Is a parabola. The -coordinate of the vertex is , The -coordinate is \r
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\n" ); document.write( "\n" ); document.write( "The axis of symmetry is the line \r
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\n" ); document.write( "\n" ); document.write( "The parabola opens upward if \ 0\">, and then the vertex is a minimum. The parabola opens downward if , and then the vertex is a maximum.\r
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\n" ); document.write( "\n" ); document.write( "The -intercept is the point , which is to say . By symmetry, there is also a point on the parabola at \r
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\n" ); document.write( "\n" ); document.write( "If 0\">, then there are two -intercepts at , and \r
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