What is the formula to calculate the slope of a line given two points (x1, y1) and (x2, y2)?
Algebra 1 Mid-Year Review

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Mathematics
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7th - 8th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
The slope (m) is calculated using the formula: m = (y2 - y1) / (x2 - x1).
2.
FLASHCARD QUESTION
Front
Find the slope of the line passing through the points (1, 2) and (2, 1).
Back
The slope is -1.
3.
FLASHCARD QUESTION
Front
What does a negative slope indicate about a line on a graph?
Back
A negative slope indicates that as the x-values increase, the y-values decrease, meaning the line falls from left to right.
4.
FLASHCARD QUESTION
Front
What is the difference between a linear equation and a linear inequality?
Back
A linear equation represents a straight line, while a linear inequality shows a region of the graph where the inequality holds true.
5.
FLASHCARD QUESTION
Front
What is the standard form of a linear equation?
Back
The standard form of a linear equation is Ax + By = C, where A, B, and C are integers.
6.
FLASHCARD QUESTION
Front
How do you graph a linear inequality?
Back
To graph a linear inequality, first graph the corresponding equation as a line, then shade the region that satisfies the inequality.
7.
FLASHCARD QUESTION
Front
What does the y-intercept of a line represent?
Back
The y-intercept is the point where the line crosses the y-axis, indicating the value of y when x = 0.
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