Which model shows the correct factorization of x2 – x – 2? Image for option 1 Image for option 2 Image for option 3 Image for op
2 answers:
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Answer:
100
Step-by-step explanation:
This can be turned into:
(if we add the numbers inside the brackets)
Following PEDMAS, this becomes:
which equals
∴
Answer: Option a.
Step-by-step explanation:
Make the denominator equal to zero and solve for x:
Factor the quadratic equation. Find two number whose sum is -1 and whose product is -2. Then:
Then, as you can see the value x=2 makes the denominator equal to zero and the division by zero does not exist. Therefore you can conclude that the function shown in the problem is not defined at x=2
The answer is the option a.