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Self Study: Equations

Problem (1)

Determine the values for a, b, and c to 0.1 for the following equations.

2a - 4b + 3c = 14.5
-a + 2b + c = -6.0
5a - b - 4c = 8.0

 Problem (2)

 A +4.0% grade is followed by a -2.0% grade on a vertical alignment. Using the information shown below, what are the station and elevation of the PVI?

Use a Taylor Series approximation to compute the variable values in Problems 3 and 4. Determine to 0.1.

Problem (3)

 0.5x³ - 4x² + 2.5x = -79.2

Start with x_o= -2

Problem (4)

Start with x_o = 5  and y_o = -7

Solutions