You have just timed a person doing a job a four times. the first time it took the person 120 minutes, the second time it took 90
1 answer:
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Answer:
B. {-2, 0, 1, 3}
Step-by-step explanation:
See attached image.
Answer:
C
Step-by-step explanation:
Quadratic formula is used only to solve the quadratic equations .
Means the equation of the form
In this the x^2 part is must because that only makes the equation a quadratic.
Looking at the four options given to you , only the option C has the missing x^2 term, which makes it a linear equation and hence the quadratic formula cannot be applied there .
So the right option for your question with the quadratic formula is
option
C