What is the definition of the y-intercept in a linear equation?
Y-Intercept

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•
Mathematics
•
7th - 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, represented as (0, b) in the equation y = mx + b, where b is the y-intercept.
2.
FLASHCARD QUESTION
Front
How can you find the y-intercept from a linear equation in slope-intercept form?
Back
In the slope-intercept form of a linear equation, y = mx + b, the y-intercept is the value of b.
3.
FLASHCARD QUESTION
Front
What does the y-intercept represent in a real-world context?
Back
The y-intercept represents the value of the dependent variable when the independent variable is zero, often indicating a starting point or initial condition.
4.
FLASHCARD QUESTION
Front
How do you determine the y-intercept from a graph?
Back
To find the y-intercept from a graph, locate the point where the line intersects the y-axis.
5.
FLASHCARD QUESTION
Front
If a line has a y-intercept of 4, what does this mean?
Back
It means that the line crosses the y-axis at the point (0, 4), indicating that when the independent variable (x) is 0, the dependent variable (y) is 4.
6.
FLASHCARD QUESTION
Front
What is the y-intercept of the equation y = 2x + 3?
Back
The y-intercept is 3, which corresponds to the point (0, 3) on the graph.
7.
FLASHCARD QUESTION
Front
In the equation y = -x - 3, what is the y-intercept?
Back
The y-intercept is -3, represented by the point (0, -3) on the graph.
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