GMAT Quantitative Reasoning Practice Test 2

Question : 64 of 100

Marks: +1, -0

A, B

and

C

are roots of the equation

X^3-16 X^2+48 X

, what is the sum of the roots?

Solution:

The equation can be written as:

X (X^2-16 X+48) =X(X-12)(X-4)

.
The roots of the equation are: 0,4 and 12 . The sum of the roots is 16 .

Go to Question:

Prev Question

Next Question