The number y is irrational. Which statement about 28−y is true?Choices:(A) 28−y is rational.(B) 28−y is irrational.(C) 28−y can be rational or irrational, depending on the value of y.
Q. The number y is irrational. Which statement about 28−y is true?Choices:(A) 28−y is rational.(B) 28−y is irrational.(C) 28−y can be rational or irrational, depending on the value of y.
Identify Type of Number: Identify whether 28 is a rational or irrational number. 28 is a non-perfect square, which means that its square root cannot be expressed as a ratio of two integers. 28 is an irrational number.
Properties of Irrational Numbers: Consider the properties of irrational numbers. The difference between two irrational numbers can be rational or irrational. For example, if y=28, then 28−28=0, which is rational. However, if y is any other irrational number, then 28−y is likely to be irrational.
Describe 28−y: Determine the statement that correctly describes 28−y. Since we have shown that 28−y can be rational (if y=28) or irrational (if y is any other irrational number), the correct statement is that 28−y can be rational or irrational, depending on the value of y.
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