document.write( "Question 534393: find the x-intercept and y-intercept\r
\n" ); document.write( "\n" ); document.write( "f(x)= -x^2+2x+63\r
\n" ); document.write( "\n" ); document.write( "I need the x coordinates of the intercepts
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\n" ); document.write( "the y intercepts (0, )
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Algebra.Com's Answer #351485 by oberobic(2304)\"\" \"About 
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factor
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\n" ); document.write( "-x^2 +2x +63 = 0
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\n" ); document.write( "(-x -7)(x -9)
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\n" ); document.write( "Check using FOIL.
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\n" ); document.write( "-x^2 +9x -7x +63 = -x^2 +2x +63
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\n" ); document.write( "Roots
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\n" ); document.write( "x = -7 or 9
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\n" ); document.write( "\"+graph%28500%2C500%2C-10%2C15%2C-20%2C70%2C-x%5E2%2B2%2Ax%2B63%29+\"
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\n" ); document.write( "By inspection, you can see the y-intercept is (0,63).
\n" ); document.write( "You also can find it by setting x=0 and solving the equation.
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