•If x = 5 and y = -2, what is the value of 3x2 – 2xy + 4y2?
2 answers:
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After rounding to the nearest tenth, we get:
We have the quotient:
If you multiply the numerator and denominator by 1000, you will get the simpler quotient:
It gives:
Now we want to round it to the nearest tenth, which is the first digit after the decimal point.
To do so, we need to look at the number at the right of it.
- If is between 0 and 4, then we round down.
- If it is between 5 and 9, we round up.
In this case, we can see a 5, so we should round up, then we have:
If you want to learn more about quotients:
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