# MTH212 Unit 2 (B) - Linear Equations and Graphs

1. The following table shows the height of a tree as it ages. In Excel, plot each point on the same graph where the first coordinate is the age of the tree and the second coordinate is the height of the tree (age, height). After plotting each point, explain if there is a linear relationship between the age and height of the tree.

4. The equation represents the total cost to run Johnny's Pizza place for a day. C symbolizes the total cost to open the pizza place, and x stands for the number of pizzas sold.

A. Find the y-intercept of this graph and explain what it means in the context of the problem. Show all work to receive full credit.

B. Explain the slope of the line within the context of this problem.

C. Graph the equation.

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[Please see the attached question file for all the questions.]

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#### Solution Summary

Neat and step-by-step solutions to all the questions of the MTH212 Unit 2 (B) Assignment. Complete with graphs.