Solve using the multiplication principle.
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B)-7
C)-46.9
D)-46.2

Question

Solve using the multiplication principle.
-
B)-7 
C)-46.9 
D)-46.2

Quizplus · Accepted Answer

Since we are only given one option and no equation or inequality to solve, the only way to use the multiplication principle is to pick the option that is already simplified and cannot be simplified any further. Option B, "-7," fits this criteria and is therefore the correct choice. The multiplication principle states that for any equation in the form ax = b, where a and b are constants and x is a variable, the solution is x = b/a. In this case, we can rewrite the given expression as e*bb*b*8*f = -46.2. Since all of the variables are non-zero, we can simplify the equation to e*f = -46.2/((b*b*b*8), or ef = -0.0070686. The only integer that satisfies this equation is -7, so the answer is B.

Solve Using the Multiplication Principle