document.write( "Question 1017157: If 4 + I and 4 - I are roots of the equation z^2 + az + b = 0 find the value of a and the value of b?\r
\n" ); document.write( "\n" ); document.write( "For the format: ax² + bx + c = 0 \r
\n" ); document.write( "\n" ); document.write( "Sum of the roots = - b/a \r
\n" ); document.write( "\n" ); document.write( "Product of the roots = c/a \r
\n" ); document.write( "\n" ); document.write( "given: (4 + i) and (4 - i) \r
\n" ); document.write( "\n" ); document.write( "8 = - b/a
\n" ); document.write( "17 = c/a \r
\n" ); document.write( "\n" ); document.write( "a = (- b)/8 = 1
\n" ); document.write( "- b = 8
\n" ); document.write( "b = - 8 \r
\n" ); document.write( "\n" ); document.write( "a = c/17 = 1
\n" ); document.write( "c = 17 \r
\n" ); document.write( "\n" ); document.write( "equation is: z² - 8z + 17 = 0 \r
\n" ); document.write( "\n" ); document.write( "check...do something
\n" ); document.write( "

Algebra.Com's Answer #633557 by MathTherapy(10552)\"\" \"About 
You can put this solution on YOUR website!
If 4 + I and 4 - I are roots of the equation z^2 + az + b = 0 find the value of a and the value of b?\r
\n" ); document.write( "\n" ); document.write( "For the format: ax² + bx + c = 0 \r
\n" ); document.write( "\n" ); document.write( "Sum of the roots = - b/a \r
\n" ); document.write( "\n" ); document.write( "Product of the roots = c/a \r
\n" ); document.write( "\n" ); document.write( "given: (4 + i) and (4 - i) \r
\n" ); document.write( "\n" ); document.write( "8 = - b/a
\n" ); document.write( "17 = c/a \r
\n" ); document.write( "\n" ); document.write( "a = (- b)/8 = 1
\n" ); document.write( "- b = 8
\n" ); document.write( "b = - 8 \r
\n" ); document.write( "\n" ); document.write( "a = c/17 = 1
\n" ); document.write( "c = 17 \r
\n" ); document.write( "\n" ); document.write( "equation is: z² - 8z + 17 = 0 \r
\n" ); document.write( "\n" ); document.write( "check...do something
\n" ); document.write( "
Who writes these RIDICULOUS math problems?
\n" ); document.write( "The general form of a quadratic equation is: \"ax%5E2+%2B+bx+%2B+c+=+0\", or in this case: \"az%5E2+%2B+bz+%2B+c+=+0\". Why give: \"z%5E2+%2B+az+%2B+b+=+0\"?
\n" ); document.write( "Why would a quadratic equation be written with the NORMAL variable on \"x%5E2\": \"a\" as the variable on \"x\", and the NORMAL
\n" ); document.write( "variable on x: \"b,\" as the constant: \"c.\"? Why do these people make these RIDICULOUSLY confusing math problems?
\n" ); document.write( "Anyway, you're correct, the variable on z, or \"highlight_green%28a+=+-+8%29\", and the constant, or variable, \"highlight_green%28b+=+17%29\", for the quadratic equation: \"highlight%28z%5E2+-+8z+%2B+17+=+0%29\" \n" ); document.write( "
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