Algebra.Com's Answer #181390 by oberobic(2304)![\"\"](\"/images/stars/stars-13.gif\")  
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document.write( "y-intercept is defined by f(0).
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document.write( "It is where the line crosses the y-axis.
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document.write( "x-intercept is defined by f(x) = 0.
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document.write( "It is where the line crosses the x-axis.
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document.write( "Recall
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document.write( "If x=4, then the entire right-hand side = 0, so that is an x-intercept.
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document.write( "If x=-3, then the entire right-hand side = 0, so that is another x-intercept.
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document.write( "The graph is useful to review. It is a parabola.
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document.write( " | Solved by pluggable solver: SOLVE quadratic equation with variable | \n" );
document.write( "Quadratic equation  (in our case  ) has the following solutons:
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document.write( " For these solutions to exist, the discriminant  should not be a negative number.
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document.write( " First, we need to compute the discriminant :  .
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document.write( " Discriminant d=196 is greater than zero. That means that there are two solutions:  .
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document.write( " Quadratic expression  can be factored:
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document.write( " Again, the answer is: 4, -3.\n" );
document.write( "Here's your graph:
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