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The sum of the zero of f(x) = 3x^(2) - 5...

The sum of the zero of f(x) `= 3x^(2) - 5 ` is

A

3.3

B

1.8

C

1.7

D

0

Text Solution

Verified by Experts

The correct Answer is:
D
Plot the graph of `y = 3x^(2) - 5` in the standard window . The symmetry about the y-axis indicates that the zeros are opposites and therefore sum to zero .
An alternative solution is to use the fact that the zeros of a quadratic function sum to `- (b)/(a) = 0.`
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