8th Grade Math Category #2

8th Grade Math Category #2

Assessment

Flashcard

Mathematics

8th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a linear equation?

Back

A linear equation is an equation that makes a straight line when graphed. It can be written in the form y = mx + b, where m is the slope and b is the y-intercept.

2.

FLASHCARD QUESTION

Front

What does slope represent in a graph?

Back

Slope represents the rate of change of the y-value with respect to the x-value. It indicates how steep the line is and the direction it goes.

3.

FLASHCARD QUESTION

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other is constant.

4.

FLASHCARD QUESTION

Front

How do you find the slope from two points?

Back

The slope (m) can be calculated using the formula m = (y2 - y1) / (x2 - x1), where (x1, y1) and (x2, y2) are two points on the line.

5.

FLASHCARD QUESTION

Front

What is the y-intercept of a line?

Back

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

6.

FLASHCARD QUESTION

Front

What is the difference between a function and a non-function?

Back

A function is a relation where each input has exactly one output. A non-function may have one input that corresponds to multiple outputs.

7.

FLASHCARD QUESTION

Front

What does it mean for a relationship to be linear?

Back

A linear relationship means that the change in one variable is proportional to the change in another variable, resulting in a straight line when graphed.

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