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Earn +20 ptsQ: Is -1 15 rational
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Continue Learning about Math & Arithmetic
Is 15 squared rational?
Yes. It can be written as 225/1 .
Is 1.5 an irrational number?
No. Irrational numbers are numbers which cannot be expressed as a fraction p/q where p and q are integers. Because 15 can be expressed as 15/1, it is not irrational. It is actually a rational number and an integer.
What is the rational zeros for x3 plus x2-17x plus 15?
x3 + x2 - 17x + 15 = (x - 1)(x - 3)(x + 5). Thus, the zeros are 1, 3, and -5. All three zeros are rational.
Is negative two fifteenths a rational or irrational number?
- 2/15 is the ratio of -2 and 15, or of 2 and -15 ... nice and rational.
Is 1000000 a rational number?
Yes
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