What is the definition of an irrational number?
8TH GRADE MATH ACAP REVIEW

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Mathematics
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8th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
An irrational number is a number that cannot be expressed as a fraction of two integers. Its decimal representation is non-repeating and non-terminating.
2.
FLASHCARD QUESTION
Front
What is the slope of a line?
Back
The slope of a line is a measure of its steepness, calculated as the rise (change in y) over the run (change in x).
3.
FLASHCARD QUESTION
Front
What does the y-intercept represent in a linear equation?
Back
The y-intercept is the point where the line crosses the y-axis, represented as (0, b) in the equation y = mx + b.
4.
FLASHCARD QUESTION
Front
How do you identify the initial value in a linear equation?
Back
The initial value is the constant term in the equation, which represents the y-value when x = 0.
5.
FLASHCARD QUESTION
Front
What is a transformation in geometry?
Back
A transformation is an operation that moves or changes a shape in some way, such as translation, rotation, reflection, or dilation.
6.
FLASHCARD QUESTION
Front
What is the formula for calculating the slope between two points (x1, y1) and (x2, y2)?
Back
The slope (m) is calculated using the formula m = (y2 - y1) / (x2 - x1).
7.
FLASHCARD QUESTION
Front
What is the difference between a rational and an irrational number?
Back
Rational numbers can be expressed as a fraction of two integers, while irrational numbers cannot be expressed as such.
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