Investigate and explain the meaning of the rate of change (slope) and 𝑦-intercept (constant term) of a linear model in context.
Example Problems
We can calculate x, the amount of kilometers run in t hours, using the equation .
How many kilometers are run per hour?
How many kilometers are run per hour?
Carys calculates the total amount P, in dollars, that she earns for working x hours using the equation .
How many dollars does Carys earn per hour?
How many dollars does Carys earn per hour?
We can calculate , the number of bricks laid in hours by a mason using the equation .
How many bricks are laid per hour?
How many bricks are laid per hour?
Khan Academy ResourcesStandard form reviewAverage rate of change reviewAverage rate of change word problemsLinear equations word problemsAverage rate of change: graphs & tablesIntroduction to average rate of changeAverage rate of change word problem: graphSlope and y-intercept from equationAverage rate of change word problem: table
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