How do you find the length of a side of a triangle given its vertices?

To find the length of a side of a triangle given its vertices, use the distance formula: $$d = \text{√}((x2 - x1)^2 + (y2 - y1)^2)$$ .

What is the Pythagorean theorem?

The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two sides (a and b): $$c^2 = a^2 + b^2$$ .

What is the definition of a linear equation?

A linear equation is an equation that makes a straight line when graphed. It can be written in the form $$y = mx + b$$ .

What is the significance of the y-intercept in a linear equation?

The y-intercept is the point where the line crosses the y-axis. It represents the value of $$y$$ when $$x = 0$$ .

What is the difference between rational and irrational numbers?

Rational numbers can be expressed as a fraction of two integers, while irrational numbers cannot be expressed as such and have non-repeating, non-terminating decimal expansions.

What is the formula for the perimeter of a rectangle?

The perimeter of a rectangle is calculated using the formula: $$\text{Perimeter} = 2 \times (\text{length} + \text{width})$$ .

How do you determine if a number is a square of an integer?

A number is a square of an integer if there exists an integer n such that $$n^2 = \text{number}$$ .

What is the distance between the points (3, -2) and (10, -2)?

The distance is calculated as: $$d = \text{√}((10 - 3)^2 + (-2 - (-2))^2) = \text{√}(7^2 + 0^2) = 7 \text{ units}$$ .

Grade 8 Math EOG Review Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

What is an irrational number?

Back

2.

FLASHCARD QUESTION

Front

What is the slope-intercept form of a linear equation?

Back

3.

FLASHCARD QUESTION

Front

How do you calculate the distance between two points in a coordinate plane?

Back

4.

FLASHCARD QUESTION

Front

What is a perfect square?

Back

5.

FLASHCARD QUESTION

Front

What is a perfect cube?

Back

6.

FLASHCARD QUESTION

Front

What is the formula for the area of a rectangle?

Back

7.

FLASHCARD QUESTION

Front

What is the equation of a line with a slope of 2/3 and a y-intercept of -2?

Back

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