Proportional Relationships

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
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.
2.
FLASHCARD QUESTION
Front
What does 'm' represent in the equation y=mx+b?
Back
The 'm' represents the slope of the line.
3.
FLASHCARD QUESTION
Front
What does 'b' represent in the equation y=mx+b?
Back
The 'b' represents the y-intercept, which is the point where the line crosses the y-axis.
4.
FLASHCARD QUESTION
Front
How do you determine if a graph represents a proportional relationship?
Back
A graph represents a proportional relationship if it passes through the origin (0,0) and is a straight line.
5.
FLASHCARD QUESTION
Front
What is the slope of the line represented by the equation y = 4x + 2?
Back
The slope is 4.
6.
FLASHCARD QUESTION
Front
If the slope of a line is negative, what does that indicate about the relationship between the two variables?
Back
A negative slope indicates that as one variable increases, the other variable decreases.
7.
FLASHCARD QUESTION
Front
What is the equation of a line with a slope of 2 and a y-intercept of -3?
Back
The equation is y = 2x - 3.
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