Linear relationships STAAR review

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•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a linear relationship?
Back
A linear relationship is a relationship between two variables that can be represented by a straight line on a graph. It can be described by the equation y = mx + b, where m is the slope and b is the y-intercept.
2.
FLASHCARD QUESTION
Front
What does the slope of a line represent?
Back
The slope of a line represents the rate of change of the dependent variable (y) with respect to the independent variable (x). It indicates how steep the line is and the direction it goes (positive or negative).
3.
FLASHCARD QUESTION
Front
What is the y-intercept?
Back
The y-intercept is the point where the line crosses the y-axis. It is the value of y when x is 0.
4.
FLASHCARD QUESTION
Front
How do you find the slope between two points (x1, y1) and (x2, y2)?
Back
The slope (m) can be calculated using the formula: m = (y2 - y1) / (x2 - x1).
5.
FLASHCARD QUESTION
Front
What is the equation of a line in slope-intercept form?
Back
The equation of a line in slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.
6.
FLASHCARD QUESTION
Front
What does a positive slope indicate?
Back
A positive slope indicates that as the value of x increases, the value of y also increases, showing a direct relationship.
7.
FLASHCARD QUESTION
Front
What does a negative slope indicate?
Back
A negative slope indicates that as the value of x increases, the value of y decreases, showing an inverse relationship.
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