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Linear Equations and Slope Calculation - Holt Algebra 2 Warm Up

This lesson covers writing equations of lines in slope-intercept form, solving equations, and finding the slope of lines passing through given points. It also introduces vocabulary related to linear functions.

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Linear Equations and Slope Calculation - Holt Algebra 2 Warm Up

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  1. 3 Objective Warm Up Lesson Presentation Lesson Quiz Holt Algebra 2

  2. Warm Up • Write the equation of the graphed • line in slope-intercept form. y= -2/5x +2 Solve 2. Find the slope of the line passing through (3,-2) and (-1,2). -1 3. Find the slope of the line. 5/3

  3. Warm Up • Write the equation of the graphed • line in slope-intercept form. y= 4/3x - 4 Solve 2. Find the slope of the line passing through (-6,8) and (-3,3). -5/3 3. Find the slope of the line. 2

  4. Objectives Demonstrate an understanding of linear functions

  5. Vocabulary Parent Function Linear Function Quadratic Function Domain Range Slope Polynomial Expression

  6. The data lie on a line, so they can be represented by a linear function.

  7. m= 15h + 100

  8. 50 hours per quilt or 1/50 quilt per hour 2 plants per row

  9. 4

  10. The r-intercept represents the number of gallons of regular gas sold if no premium gas was sold that day; the p-intercept represents the number of gallons of premium gas sold if no regular gas was sold that day.

  11. STOP

  12. Warm Up TURN IN FOR GRADE

  13. The new equation is y= 2x + 800. The slope is not changed. The y-intercept is changed from 1000 to 800, so the graph is moved down.

  14. y= 4x - 8

  15. (30,0) and (0,60)

  16. The slope would change to 22; the y-intercept would decrease to 140.

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