If you pick one marble from each group what is the probability of picking two purple marbles
2 answers:
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Answer:
B
Step-by-step explanation:
We are given the equation:
And that <em>x</em> = 2 is a root. And we want to determine the value of <em>k</em>.
By definition, since <em>x</em> = 2 is a root of the equation, when <em>x</em> = 2, the equation must equal zero:
Solve for <em>k: </em>
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Hence, the value of <em>k</em> is -4.
In conclusion, our answer is B.