A scientist wants to know whether crabs grow at the same rate in shaded water and in sunny water. Which principle of experimenta
1 answer:
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Answer:
Yuri is not correct.
Step-by-step explanation:
Given expression is q(x) = 6x³ + 19x² - 15x - 28
If 'a' is a root of the given function, then by substituting x = a in the expression, q(a) = 0
Similarly, for x = ,
=
=
=
=
= ≠ 0
Therefore, Yuri is not correct. x = can not be a root of the given expression.