What is a linear equation?
8th Grade Math Category #2

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Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
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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