Rate of Change
Flashcard
•
Mathematics
•
7th - 9th Grade
•
Hard
+3
Standards-aligned
Quizizz Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the formula to calculate the slope of a line between two points (x1, y1) and (x2, y2)?
Back
The slope (m) is calculated using the formula: m = (y2 - y1) / (x2 - x1).
Tags
CCSS.8.EE.B.5
2.
FLASHCARD QUESTION
Front
What does the slope of a line represent in a real-world context?
Back
The slope represents the rate of change between two variables, indicating how much one variable changes in relation to another.
Tags
CCSS.8.EE.B.5
3.
FLASHCARD QUESTION
Front
If a line has a slope of 0, what does this indicate about the relationship between the two variables?
Back
A slope of 0 indicates that there is no change in the y-value as the x-value changes; the line is horizontal.
Tags
CCSS.8.EE.B.5
4.
FLASHCARD QUESTION
Front
What does a positive slope indicate about the relationship between two variables?
Back
A positive slope indicates that as one variable increases, the other variable also increases.
Tags
CCSS.8.EE.B.5
5.
FLASHCARD QUESTION
Front
What does a negative slope indicate about the relationship between two variables?
Back
A negative slope indicates that as one variable increases, the other variable decreases.
Tags
CCSS.8.EE.B.5
6.
FLASHCARD QUESTION
Front
In the equation y = mx + b, what does 'b' represent?
Back
'b' represents the y-intercept, which is the point where the line crosses the y-axis.
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
7.
FLASHCARD QUESTION
Front
How do you find the rate of change from a graph?
Back
To find the rate of change from a graph, select two points on the line, and use the slope formula: (change in y) / (change in x).
Tags
CCSS.8.F.B.4
CCSS.HSF.IF.B.6
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