y=mx+b
Flashcard
•
Mathematics
•
7th Grade
•
Hard
+3
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What does the equation y=mx+b represent?
Back
It represents the slope-intercept form of a linear equation, where m is the slope and b is the y-intercept.
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
2.
FLASHCARD QUESTION
Front
What is the slope in the equation y=mx+b?
Back
The slope (m) indicates the rate of change of y with respect to x, showing how steep the line is.
Tags
CCSS.8.EE.B.5
3.
FLASHCARD QUESTION
Front
What does the y-intercept represent in the equation y=mx+b?
Back
The y-intercept (b) is the value of y when x is 0, representing where the line crosses the y-axis.
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
4.
FLASHCARD QUESTION
Front
How do you find the value of y when x=0 in the equation y=mx+b?
Back
Substitute x=0 into the equation, resulting in y=b.
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
5.
FLASHCARD QUESTION
Front
If a car depreciates in value, how can this be modeled using y=mx+b?
Back
The depreciation can be modeled as y=-2000x+25000, where -2000 is the slope (decrease in value per year) and 25000 is the initial value.
6.
FLASHCARD QUESTION
Front
How do you calculate the value of an asset after a certain number of years using y=mx+b?
Back
Use the equation y=mx+b, where m is the rate of depreciation, x is the number of years, and b is the initial value.
Tags
CCSS.HSF.LE.B.5
7.
FLASHCARD QUESTION
Front
What is the equation to model a fixed service fee plus hourly charges?
Back
The equation is y=15x+40, where 15 is the hourly charge, x is the number of hours, and 40 is the service fee.
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
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