Mathematics
autumnn
2015-11-18 20:59:12
What is the value of the expression when x=4 and y=-2? x² + xy³ __ 2
ANSWERS
KimberlieMerkling701
2015-11-19 03:52:48

the expression is  x² + xy³ / 2 where x = 4 and y = -2 putting the values of x and y in the expression we get, 4² + 4(-2)³ / 2 =16 + 4(-8) / 2 = 16 + (-32) /2 = -16/2 = -8 the value of the expression is -2

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