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Mathematics, 22.09.2020 03:01 damienwoodlin6
Now examine the sum of a rational number, y, and an irrational number, x. The rational number y can be written as y = , where a and b are integers and b ≠ 0. Leave the irrational number x as x because it can’t be written as the ratio of two integers. Let’s look at a proof by contradiction. In other words, we’re trying to show that x + y is equal to a rational number instead of an irrational number. Let the sum equal , where m and n are integers and n ≠ 0. The process for rewriting the sum for x is shown. Statement Reason substitution subtraction property of equality Create common denominators. Simplify. Based on what we established about the classification of x and using the closure of integers, what does the equation tell you about the type of number x must be for the sum to be rational? What conclusion can you now make about the result of adding a rational and an irrational number?
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Now examine the sum of a rational number, y, and an irrational number, x. The rational number y can...
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