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Earn +20 ptsQ: Is derf a real number
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What is the number derf?
The term "derf" is not a recognized mathematical or numerical concept. It does not hold any value or significance in mathematics or any other field. It is likely a made-up or nonsensical term, as it does not conform to any established numerical or mathematical principles.
Is pi a real number?
Pi is a real number
What type of number best describes the diameter of a circle?
A positive real number. It can be irrational or rational, even integer.
How many solution will there be if the quadratic equation does not touch or cross the x-axis?
0 real solutions. There are other solutions in the complex planes (with i, the imaginary number), but there are no real solutions.
Why do you put an arrow at the end of a number line?
The arrows at the ends of a number line indicate that the line extends forever in both directions (i.e. towards positive infinity and negative infinity)...since there is no largest or smallest real number.
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