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irrational number
số vô ti
rational number
số hữu tỉ
terminating decimal
số thập phân hữu hạn
repeating decimal
số thập phân vô hạn tuần hoàn
What happens to a positive rational number when it is raised to the power of 0?
It becomes 1.
If you multiply a rational number by itself three times, what is this operation called?
Raising to the third power (or cubing).
When a negative rational number is raised to an even power, will the result be positive or negative?
Positive.
What must be the same before adding two rational numbers with denominators?
Their denominators must be the same.
What happens to the sign when you multiply two rational numbers with different signs?
The result is negative.
How do you know if two rational numbers are reciprocals of each other?
Their product is 1.
What is the result when you divide a rational number by 1?
It stays the same.
How many points of intersection do two parallel lines have?
None.
When a transversal cuts two parallel lines, what type of angles are equal?
Corresponding angles and Alternate interior angles
In real life, give an example of two parallel lines.
The edges of a door or railway tracks.
Between 4 and 9, which number’s square root is not a whole number?
Any number between 4 and 9 that is not a perfect square.
Is the square root of 1 greater than, less than, or equal to 1?
Equal to 1.
