y=mx + b from a graph

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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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 equation of a straight line, where m is the slope and b is the y-intercept.
2.
FLASHCARD QUESTION
Front
What does 'm' represent in the equation y = mx + b?
Back
The slope of the line, indicating how steep the line is.
3.
FLASHCARD QUESTION
Front
What does 'b' represent in the equation y = mx + b?
Back
The y-intercept, which is the point where the line crosses the y-axis.
4.
FLASHCARD QUESTION
Front
How do you find the slope (m) from a graph?
Back
By calculating the rise over run between two points on the line.
5.
FLASHCARD QUESTION
Front
What is the slope of a line that rises 3 units for every 4 units it runs?
Back
The slope (m) is 3/4.
6.
FLASHCARD QUESTION
Front
If a line has a slope of -2, what does this indicate about the line?
Back
The line descends as it moves from left to right.
7.
FLASHCARD QUESTION
Front
What is the y-intercept of the line represented by the equation y = 2x + 5?
Back
The y-intercept is 5.
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