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Bonus Knowledge
Did you know that linear equations like
can be graphed on a coordinate plane as a straight line? This particular equation has a slope of 1 and a y-intercept at -7, meaning it crosses the y-axis at the point (0, -7). This visual representation is a powerful way to understand relationships between two variables!
In real life, equations like this can model various situations, such as either tracking expenses, where
could represent your remaining budget based on
number of items purchased minus a set cost. It’s a straightforward way to keep your finances on track! So, next time you see a linear equation, think about the practical scenarios it could represent!