What is the y-intercept?
Slope and Y-Intercept 12182024

Flashcard
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Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The y-intercept is the point where a line crosses the y-axis. It is represented as (0, b) in the equation of a line y = mx + b.
2.
FLASHCARD QUESTION
Front
What does the slope represent in a linear equation?
Back
The slope represents the rate of change of the y-value with respect to the x-value. It indicates how steep the line is.
3.
FLASHCARD QUESTION
Front
How do you calculate the slope between two points (x1, y1) and (x2, y2)?
Back
Slope (m) = (y2 - y1) / (x2 - x1).
4.
FLASHCARD QUESTION
Front
What is the formula for the equation of a line in slope-intercept form?
Back
The equation of a line in slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.
5.
FLASHCARD QUESTION
Front
If a line has a slope of 1/2, what does this mean?
Back
A slope of 1/2 means that for every 2 units you move horizontally to the right, the line rises 1 unit vertically.
6.
FLASHCARD QUESTION
Front
What is the y-intercept of the line represented by the equation y = 3x + 4?
Back
The y-intercept is 4, which means the line crosses the y-axis at the point (0, 4).
7.
FLASHCARD QUESTION
Front
If the slope of a line is -2, what does this indicate about the line's direction?
Back
A slope of -2 indicates that the line descends from left to right, meaning it falls as you move along the x-axis.
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