document.write( "Question 568981: suppose x = t^2 + t and y = t^3 + t^2. if x = 2 what are the two possible values of y. \n" ); document.write( "

Algebra.Com's Answer #367192 by htmentor(1343) $\"\"$ $\"About$

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suppose x = t^2 + t and y = t^3 + t^2. if x = 2 what are the two possible values of y.
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\n" ); document.write( "If x = 2, we can solve for t:
\n" ); document.write( "t^2 + t = 2
\n" ); document.write( "t^2 + t - 2 = 0
\n" ); document.write( "Factor:
\n" ); document.write( "(t+2)(t-1) = 0
\n" ); document.write( "This gives t = -2, 1
\n" ); document.write( "So the possible values for y are:
\n" ); document.write( "(-2)^3 + (-2)^2 = -4
\n" ); document.write( "1 + 1 = 2
\n" ); document.write( "Ans: -4, 2 \n" ); document.write( "

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