document.write( "Question 1180503: Given the quadratic function y = a(x−5)(x+3)  passes through the point (1, 32). \r
\n" ); document.write( "\n" ); document.write( "State the value of a and the y-intercept of this function.
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Algebra.Com's Answer #810201 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"y+=+a%28x-5%29%28x%2B3%29%E2%80%89\" passes through the point (\"1\", \"32\").\r
\n" ); document.write( "\n" ); document.write( "substitute coordinates of the point\r
\n" ); document.write( "\n" ); document.write( "\"32+=+a%281-5%29%281%2B3%29%E2%80%89\"\r
\n" ); document.write( "\n" ); document.write( "\"32+=+a%28-4%29%284%29%E2%80%89\"\r
\n" ); document.write( "\n" ); document.write( "\"32+=+-16a\"\r
\n" ); document.write( "\n" ); document.write( "\"a=-2\"\r
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\n" ); document.write( "\n" ); document.write( "\"y+=+-2%28x-5%29%28x%2B3%29%E2%80%89\"....
\n" ); document.write( "to get y-intercept, plug in \"0\" for \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"y+=+-2%280-5%29%280%2B3%29%E2%80%89\"\r
\n" ); document.write( "\n" ); document.write( "\"y+=+30%E2%80%89\"\r
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\n" ); document.write( "\n" ); document.write( "y-intercept is at (\"0\",\"30\")\r
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\n" ); document.write( "\n" ); document.write( "\"+graph%28+600%2C+600%2C+-10%2C+10%2C+-10%2C+35%2C+-2%28x-5%29%28x%2B3%29%29+\"\r
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\n" ); document.write( "\n" ); document.write( "State the value of a and the y-intercept of this function.
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