How do you calculate the area of a circle?

$$A = \pi r^2$$ where A is the area and r is the radius.

What is the relationship between circumference and diameter?

The circumference is equal to $$C = \pi d$$ where C is the circumference and d is the diameter.

What is the formula for the surface area of a cylinder?

$$S = 2\pi rh + 2\pi r^2$$ where S is the total surface area.

What does the term 'y-intercept' refer to in a linear equation?

The y-intercept is the point where the line crosses the y-axis, represented by 'b' in the equation y=mx+b.

What is the formula for the area of a rectangle?

$$A = l \times w$$ where A is the area, l is the length, and w is the width.

What is the definition of a chord in a circle?

A chord is a line segment with both endpoints on the circle.

What is the definition of a tangent line?

A tangent line is a line that touches a circle at exactly one point.

What is the relationship between the radius and the circumference of a circle?

The circumference can be calculated using the formula $$C = 2\pi r$$ where r is the radius.

8th Grade STAAR Chart Flashcard Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the formula for lateral surface area of a cylinder?

Back

2.

FLASHCARD QUESTION

Front

What is the relationship between radius and diameter?

Back

The radius is half the diameter.

3.

FLASHCARD QUESTION

Front

In the equation y=mx+b, what does the 'm' represent?

Back

The 'm' represents the slope of the line.

4.

FLASHCARD QUESTION

Front

What is the definition of a radius?

Back

The radius is the distance from the center of a circle to any point on its circumference.

5.

FLASHCARD QUESTION

Front

What is the definition of a diameter?

Back

The diameter is twice the radius, measuring the distance across the circle through its center.

6.

FLASHCARD QUESTION

Front

What is the formula for the volume of a cylinder?

Back

7.

FLASHCARD QUESTION

Front

What does the term 'slope' refer to in a linear equation?

Back

The slope indicates the steepness of the line, representing the change in y for a unit change in x.

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