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# A Year In Review

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### A Year In Review - Page Text Content

FC: A YEAR IN REVIEW | John Starkweather Precalculus Algebra

1: Distance Formula Ch. 1 | Use the distance formula to find the distance between 2 points on a graph

2: Midpoint Formula Ch. 1 | Use the midpoint formula to find the midpoint of 2 points on a graph

3: Direct Variation Ch. 2 | If a solution gives rise to a linear function f(x)=kx, or y=kx, it is a direct variation

4: Area of a Rectangle Ch. 2 | To find the area of a rectangle, multiply the length times the width.

5: Quadratic Formula Ch. 3 | To solve for quadratic formula find parts a, b, and c, use the coefficients of the equation and solve for x

6: Completing the Square Ch. 3 | Completing the square: 1) Check for descending order 2) "A" must be 1 3) Move "C" to the right 4)Multiply "B" times 1/2, square it, then add it to both sides 5) Factor the left side and combine like terms 6) Take square root of both sides 7) Solve for x, find 2 answers

7: Matrices Ch. 9 | A matrix becomes undefined if the columns of the first is unequal the the rows of the second

8: Parametric Equations Ch. 10 | Demonstrates the curves of a graph

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