Functions Review
Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the slope of a line?
Back
The slope of a line is a measure of its steepness, typically represented as 'm' in the slope-intercept form of a linear equation (y = mx + b). It is calculated as the rise over run, or the change in y divided by the change in x.
2.
FLASHCARD QUESTION
Front
What is the slope-intercept form of a linear equation?
Back
The slope-intercept form of a linear equation is y = mx + b, where 'm' is the slope and 'b' is the y-intercept.
3.
FLASHCARD QUESTION
Front
What does the variable 'b' represent in the equation y = mx + b?
Back
In the equation y = mx + b, 'b' represents the y-intercept, which is the point where the line crosses the y-axis.
4.
FLASHCARD QUESTION
Front
How do you find the equation of a line given a slope and a y-intercept?
Back
To find the equation of a line given a slope (m) and a y-intercept (b), use the slope-intercept form: y = mx + b.
5.
FLASHCARD QUESTION
Front
What is the y-intercept of the line represented by the equation y = 2x + 5?
Back
The y-intercept of the line y = 2x + 5 is 5, which is the value of y when x = 0.
6.
FLASHCARD QUESTION
Front
If a line has a slope of 1/2, what does this indicate about the line?
Back
A slope of 1/2 indicates that for every 2 units the line moves horizontally (run), it moves up 1 unit vertically (rise). This means the line rises gently.
7.
FLASHCARD QUESTION
Front
What is the significance of a slope of 0?
Back
A slope of 0 indicates a horizontal line, meaning there is no change in y as x changes. The equation of such a line is of the form y = b, where b is a constant.
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