EOC Flashcard 3
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What does it mean for y to vary inversely as x?
Back
It means that as x increases, y decreases, and vice versa. The relationship can be expressed as y = k/x, where k is a constant.
2.
FLASHCARD QUESTION
Front
What is the equation for direct variation?
Back
The equation for direct variation is y = kx, where k is a non-zero constant.
3.
FLASHCARD QUESTION
Front
If y varies inversely as x, and y = 0.5 when x = 2, what is the value of k?
Back
k = y * x = 0.5 * 2 = 1.
4.
FLASHCARD QUESTION
Front
How do you find the slope of a line given two points?
Back
The slope (m) is calculated using the formula m = (y2 - y1) / (x2 - x1).
5.
FLASHCARD QUESTION
Front
What is the slope-intercept form of a linear equation?
Back
The slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.
6.
FLASHCARD QUESTION
Front
What is the significance of the slope in a linear equation?
Back
The slope indicates the steepness of the line and the direction of the relationship between x and y.
7.
FLASHCARD QUESTION
Front
How do you determine the y-intercept from a linear equation?
Back
The y-intercept is the value of y when x = 0, which can be found directly from the slope-intercept form y = mx + b.
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