What is a linear equation?
Unit 4 Checkpoint Review

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•
Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A linear equation is an equation that makes a straight line when it is 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 and the direction it goes (upward or downward).
3.
FLASHCARD QUESTION
Front
How do you calculate the total cost of a meal including delivery?
Back
To calculate the total cost of a meal including delivery, use the equation y = delivery fee + (cost per person * number of people).
4.
FLASHCARD QUESTION
Front
What is the formula to find the percent decrease?
Back
Percent decrease can be calculated using the formula: Percent Decrease = (Original Price - New Price) / Original Price * 100.
5.
FLASHCARD QUESTION
Front
What does 'x' represent in an equation?
Back
In an equation, 'x' typically represents the variable or unknown value that you are trying to solve for.
6.
FLASHCARD QUESTION
Front
How do you interpret the y-intercept in a graph?
Back
The y-intercept is the point where the line crosses the y-axis. It represents the value of y when x is 0.
7.
FLASHCARD QUESTION
Front
What is the meaning of 'inequality' in mathematics?
Back
An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, or not equal to the other.
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