Unit 4 Test Review
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the formula to calculate the slope of a line given two points (x1, y1) and (x2, y2)?
Back
The slope (m) is calculated using the formula: m = (y2 - y1) / (x2 - x1).
2.
FLASHCARD QUESTION
Front
Find the slope of the line that passes through the points (-3, -4) and (7, 6).
Back
The slope is 1.
3.
FLASHCARD QUESTION
Front
What is a system of equations?
Back
A system of equations is a set of two or more equations with the same variables that are solved together.
4.
FLASHCARD QUESTION
Front
What does it mean if a system of equations has infinite solutions?
Back
It means that the equations represent the same line, and there are an infinite number of points that satisfy both equations.
5.
FLASHCARD QUESTION
Front
Back
The solution is (-2, 11).
6.
FLASHCARD QUESTION
Front
What is the equation of a line in slope-intercept form?
Back
The equation is written as y = mx + b, where m is the slope and b is the y-intercept.
7.
FLASHCARD QUESTION
Front
What is the slope of a line that is vertical?
Back
The slope of a vertical line is undefined.
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