Algebra 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 slope of a line?
Back
The slope of a line is a measure of its steepness, typically represented as 'm' in the equation of a line (y = mx + b). It is calculated as the rise over run, or the change in y divided by the change in x.
2.
FLASHCARD QUESTION
Front
How do you find the slope from two points (x1, y1) and (x2, y2)?
Back
The slope (m) can be calculated using the formula: m = (y2 - y1) / (x2 - x1).
3.
FLASHCARD QUESTION
Front
What is the solution to the equation 2x - 10 = 30?
Back
x = 20.
4.
FLASHCARD QUESTION
Front
What is the order of operations in mathematics?
Back
The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often remembered by the acronym PEMDAS.
5.
FLASHCARD QUESTION
Front
Solve: [(10-5) + 6(2)] + 3^2 - 6
Back
20.
6.
FLASHCARD QUESTION
Front
What is a function in mathematics?
Back
A function is a relation that assigns exactly one output for each input. It can be represented as f(x).
7.
FLASHCARD QUESTION
Front
How do you evaluate a function f(x) = (5x - 3) when x = 3?
Back
f(3) = (5*3 - 3) = 12.
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