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M60 Day 15

M60 Day 15. 4.3 Graphing in Slope-Intercept Form. Calculating Slope. Formula…. Slope. Examples. Find the slope of the line determined by the pair of points. Graphing Methods. Complete a T-Table Intercepts using Standard Form : Slope-Intercept. Slope-Intercept Form.

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M60 Day 15

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  1. M60 Day 15 4.3 Graphing in Slope-Intercept Form

  2. Calculating Slope • Formula…

  3. Slope

  4. Examples Find the slope of the line determined by the pair of points.

  5. Graphing Methods • Complete a T-Table • Intercepts using Standard Form: • Slope-Intercept

  6. Slope-Intercept Form • Equation must be solved for the variable “y” • m= the coefficient of the “x” term is the slope. • b= the y-intercept (thus the name of the form) • b is written as an ordered pair (0,b) • The sign of b is included in the y-intercept

  7. Slope-Intercept Form Given (0,3); …find the equation of the line passing through the point and having the given slope. Given (0,-6);

  8. Determine slope and y-intercept • Given: • Given: • Given: • Given: • Given:

  9. Slope-Intercept Graphing MethodForm: Write the equation in slope-intercept form. Label the slope and the y-intercept, and then use them to draw the graph.

  10. Graph using Slope-Intercept

  11. Graph using Slope-Intercept

  12. Graph using Slope-Intercept

  13. Lesson 4.4a Finding the Equation

  14. Find an equation… Find an equation in slope-intercept form for the line passing through the two given points. • Determine the slope. • Rearrange the slope of a line formula. • Use Point-slope Form and one point (only). • Solve for y to put into slope-intercept form.

  15. Cost Profit=Actual Selling Price – Cost During the month of January, a department store would like to have a sale of 40% off of women’s tall boots. The store purchased the boots for $33 per pair. How much should the selling price be, if the manager of the store wants to make a 10% profit per pair.

  16. Traveling After traveling for 40 minutes, Mr. Koole had to slow to 2/3 his original speed for the rest of the trip due to heavy traffic. The total trip of 84 miles took 2 hours. Find his original speed.

  17. Coming up… • Day 16 Reading Guide 4.4a • Quiz #6 Due November 22nd • Quiz #7 Due November 27th • Thanksgiving Holiday November 28-29 • No School. No SMART Lab

  18. Exit Ticket • Find the slope of the line determined by the pair of points. • Write the equation in slope-intercept form. Label the slope and the y-intercept written as an ordered pair. Then graph the equation.

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