Writing Linear Equations & Expressions from Word Problems HST

Flashcard
•
Mathematics
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a linear equation?
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 linear equation represent?
Back
The slope represents the rate of change of the dependent variable (y) with respect to the independent variable (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 identify the constant in a word problem involving linear equations?
Back
The constant is the fixed amount that does not change, often represented as the initial value or starting point in a scenario.
5.
FLASHCARD QUESTION
Front
What is the difference between a rate and a constant in a linear equation?
Back
A rate indicates how much one quantity changes in relation to another (slope), while a constant is a fixed value that does not change.
6.
FLASHCARD QUESTION
Front
How can you represent a word problem as a linear equation?
Back
Identify the variables, determine the rate of change, and establish the initial value to form the equation in the form y = mx + b.
7.
FLASHCARD QUESTION
Front
What is the formula to calculate total cost in a subscription service?
Back
Total Cost = Initial Fee + (Monthly Fee × Number of Months).
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