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1-4 Writing Linear Equations

Learn how to write equations in slope-intercept form and standard form for linear equations. Practice problems include finding equations with given slope and y-intercept, as well as equations passing through given points.

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1-4 Writing Linear Equations

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  1. 1-4 Writing Linear Equations Pre Calc A

  2. Slope Intercept Form vs. Standard Form • Ax + By = C • A must be positive • A, B, C, must be integers

  3. Ex 17: • Write an equation in slope-intercept form for each line • A. slope of ½ and a y- int of 4 • B. slope of 2 and passes through the point (-3, 2)

  4. Ex : • Mr. Bricker is preparing his art classroom for the school year. He placed a purchase order for $800 to buy paper, chalk, and clay. In addition, he expects the expenses each month to be $120. Write an equation that models the total expense y after x months. • Use that equation to predict Mr. Bricker’s expenses after 6 months.

  5. Ex last one: • Write and equation in standard form of the line that passes through (5, 2) and (7, 9)

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