document.write( "Question 985056: give some examples of standard form of a quadratic equation? \n" ); document.write( "
Algebra.Com's Answer #605879 by MathLover1(20849)\"\" \"About 
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The standard form of a quadratic equation looks like this:\r
\n" ); document.write( "\n" ); document.write( "\"highlight_green%28ax%5E2+%2B+bx+%2B+c+=+0%29+\" \r
\n" ); document.write( "\n" ); document.write( " where \"a\", \"b\" and \"c\" are \"known\" values, and \"a%3C%3E0\"
\n" ); document.write( " \"\"x\"\" is the variable or \"unknown\" (we don't know it yet)\r
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\n" ); document.write( "\n" ); document.write( "Here are some examples:\r
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\n" ); document.write( "\n" ); document.write( "\"highlight_red%282x%5E2+%2B+5x+%2B+3+=+0%29\".....In this one \"a=2\", \"b=5\" and \"c=3\"
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\n" ); document.write( "\n" ); document.write( "\"highlight_red%28x%5E2+-+3x+=+0%29\"......This one is a little more tricky:\r
\n" ); document.write( "\n" ); document.write( " Where is \"a\"?
\n" ); document.write( " Well \"a=1\", and we don't usually write \"\"1%2Ax%5E2\"\",
\n" ); document.write( "\"b+=+-3\",
\n" ); document.write( "and \"c=0\", because is \"not\"\"+shown\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight_red%28-5x%5E2++%2B+15+=+0%29\".....In this one \"a=-5\", \"b=0\" and \"c=15\"\r
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