Evaluate the expression 2ab3 + 6a3 - 4ab2 when a = 2 and b = 4.

a) 176
b) 180
c) 215
d) 216

Keywords:

Expression, variables, evaluate, result

For this case we have an expression with two variables, the value of each one of the variables is given in order to evaluate the expression and obtain a result. To do this, we must replace the values of a and b respectively in the given expression.

Let

and we have and , substituting the values of the variables we have:

Thus, when evaluating the expression with and we have 176.

The result is 176

Option A

b.-4 units

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