What is a linear equation?
Linear Equations and Real World Word Problems

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•
Mathematics
•
6th - 9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A linear equation is an equation that makes a straight line when graphed. It can be written in the form y = mx + b, where m is the slope and b is the y-intercept.
2.
FLASHCARD QUESTION
Front
What does the slope of a line represent?
Back
The slope of a line represents the rate of change of y with respect to x. It indicates how steep the line is.
3.
FLASHCARD QUESTION
Front
What is the y-intercept in a linear equation?
Back
The y-intercept is the value of y when x is 0. It is the point where the line crosses the y-axis.
4.
FLASHCARD QUESTION
Front
How do you write a function from a word problem?
Back
Identify the quantities involved, determine the relationship between them, and express it in the form of an equation or function.
5.
FLASHCARD QUESTION
Front
If y = 20x, what does this function represent in a real-world context?
Back
This function represents that for every row (x) of bricks laid, 20 bricks are used, making y the total number of bricks.
6.
FLASHCARD QUESTION
Front
What is the first step to solve the equation 2x + 3 = 11?
Back
Subtract 3 from both sides to isolate the term with x.
7.
FLASHCARD QUESTION
Front
In the equation 4 + 9x = 472, what does x represent?
Back
x represents the number of students in each bus.
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