DCP Brain Dump #2
Flashcard
•
Mathematics
•
8th - 9th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a system of equations?
Back
A set of two or more equations with the same variables. Solutions are the values that satisfy all equations simultaneously.
2.
FLASHCARD QUESTION
Front
What does it mean if a system of equations has infinitely many solutions?
Back
It means that there are an infinite number of points that satisfy all equations in the system, often indicating that the equations represent the same line.
3.
FLASHCARD QUESTION
Front
How do you find the slope of a line given two points?
Back
Use the formula: slope (m) = (y2 - y1) / (x2 - x1).
4.
FLASHCARD QUESTION
Front
What is the slope of a line that rises 4 units for every 5 units it runs?
Back
The slope is 4/5.
5.
FLASHCARD QUESTION
Front
What is the rate of change in a linear equation?
Back
The rate of change is the slope of the line, indicating how much y changes for a change in x.
6.
FLASHCARD QUESTION
Front
How do you determine if two lines are parallel?
Back
Two lines are parallel if they have the same slope and will never intersect.
7.
FLASHCARD QUESTION
Front
What is the formula for the slope between two points (x1, y1) and (x2, y2)?
Back
The formula is m = (y2 - y1) / (x2 - x1).
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