document.write( "Question 1024230: how do you write y=(x-4)(x+2) in standard form?
\n" ); document.write( "with the standard form of the equation use the quadratic formula to identify the x-value of the vertex. use the quadratic formula with the vertex -b/2a then substitute the x-value of the vertex into the original equation to find the y-value of the vertex then write the coordinates of the vertex. what are the 3 points to graph an parabola? PLEASE HELP \n" ); document.write( "

Algebra.Com's Answer #639695 by MathTherapy(10552) $\"\"$ $\"About$

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\n" ); document.write( "how do you write y=(x-4)(x+2) in standard form?
\n" ); document.write( "with the standard form of the equation use the quadratic formula to identify the x-value of the vertex. use the quadratic formula with the vertex -b/2a then substitute the x-value of the vertex into the original equation to find the y-value of the vertex then write the coordinates of the vertex. what are the 3 points to graph an parabola? PLEASE HELP
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Standard form of equation: y = (x - 4)(x + 2): 
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document.write( "The x-value of the vertex is:  ---->  ------> 
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document.write( "  ------ Substituting 1 for x
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document.write( "y = 1 - 2 - 8 ------->  ------ y-value of vertex
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document.write( "Coordinates of vertex: \r
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document.write( "(x - 4) = 0        and       (x + 2) = 0
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document.write( "Roots: \r
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document.write( "3 points to graph this parabola:  \n" );
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