8.5I All Representations Review

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•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
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.
2.
FLASHCARD QUESTION
Front
How do you find the slope between two points (x1, y1) and (x2, y2)?
Back
The slope (m) is calculated as m = (y2 - y1) / (x2 - x1).
3.
FLASHCARD QUESTION
Front
What does the y-intercept represent in a linear equation?
Back
The y-intercept is the point where the line crosses the y-axis, represented by the value of b in the equation y = mx + b.
4.
FLASHCARD QUESTION
Front
If a line has a slope of -1, what does this indicate about its direction?
Back
A slope of -1 indicates that for every unit increase in x, y decreases by 1 unit, resulting in a downward slant from left to right.
5.
FLASHCARD QUESTION
Front
Write the equation for a line with a slope of 2 that passes through the point (1, 3).
Back
The equation is y = 2x + 1.
6.
FLASHCARD QUESTION
Front
What is the meaning of the term 'flat fee' in a pricing model?
Back
A flat fee is a fixed charge that does not change regardless of the amount of service provided.
7.
FLASHCARD QUESTION
Front
How do you convert a word problem into a mathematical equation?
Back
Identify the variables, determine the relationships between them, and express these relationships using mathematical symbols.
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