What is a variable in algebra?
Algebra I EOC Review

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Mathematics
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9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A symbol, often a letter, that represents a number in mathematical expressions or equations.
2.
FLASHCARD QUESTION
Front
Define an equation.
Back
A mathematical statement that asserts the equality of two expressions, typically containing one or more variables.
3.
FLASHCARD QUESTION
Front
What is the purpose of solving an equation?
Back
To find the value(s) of the variable(s) that make the equation true.
4.
FLASHCARD QUESTION
Front
What does it mean to simplify an expression?
Back
To reduce an expression to its simplest form by combining like terms and performing operations.
5.
FLASHCARD QUESTION
Front
What is a linear equation?
Back
An equation that forms a straight line when graphed, typically in the form y = mx + b.
6.
FLASHCARD QUESTION
Front
What is the slope-intercept form of a linear equation?
Back
The form y = mx + b, where m is the slope and b is the y-intercept.
7.
FLASHCARD QUESTION
Front
How do you find the slope of a line given two points?
Back
Use the formula m = (y2 - y1) / (x2 - x1), where (x1, y1) and (x2, y2) are the coordinates of the two points.
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