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Does a calculator display the exact values of all irrational numbers?
No. An irrational number is one that does not repeat or finish, and a calculator cannot display millions of digits like an irrational number would have.
What is the rule for adding integers and rational numbers with the same sign?
The value of the answer is the sum of the absolute values of the numbers and the sign of the answer is the same as that of the two numbers.
How can you find the sign of the product of two or more rational numbers?
Count the number of negative values. If that number is even, the answer is positive and if it is odd, the answer is negative.
It is always possible to translate among an equation a table of values and a graph of a relation?
No.Try to created a table or a graph for the equation:y = 0 when x is rational,andy = 1 when x is irrational for 0 < x < 1.Remember, between any two rational numbers (no matter how close), there are infinitely many irrational numbers, and between any two irrational numbers (no matter how close), there are infinitely many rational numbers.
When evaluated using rational values for the variables will result in an a rational number?
Not necessarily. The value of 3 (rational) raised to the power 1/2 (rational) is not rational.
