SOLUTION: Define * as a*b = a + b + ab, evaluate the following.
a) 3 * -4
b) -1/2 * 3
c) 1/3 * ( - 1/5 )
d) -3*(- 1/2 )
e) - 1/2*(-1/4)
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Question 1205218: Define * as a*b = a + b + ab, evaluate the following.
a) 3 * -4
b) -1/2 * 3
c) 1/3 * ( - 1/5 )
d) -3*(- 1/2 )
e) - 1/2*(-1/4)
Answer by josgarithmetic(39623) (Show Source): You can put this solution on YOUR website!
Follow the defined rule for each of your enumerated question parts.
Doing just (d):
-3*(-1/2)
Using the rule, first
-3+(-1/2)+(-3)(-1/2)
-6/2-1/2+3/2
-6/2+2/2
-4/2
-2
That evaluation result is -2.
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