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Chapter 3 lesson 4 slope-intercept form (y= mx+b )

Chapter 3 lesson 4 slope-intercept form (y= mx+b ). Bellwork 10/24/18. Essential Question: Why are graphs helpful?. Standards:. Vocabulary. Slope: __________________ Y-intercept: _____________. Slope-intercept form Equation. Pg.199.

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Chapter 3 lesson 4 slope-intercept form (y= mx+b )

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  1. Chapter 3 lesson 4slope-intercept form (y=mx+b)

  2. Bellwork 10/24/18

  3. Essential Question:Why are graphs helpful? Standards:

  4. Vocabulary • Slope: __________________ • Y-intercept: _____________

  5. Slope-intercept form Equation

  6. Pg.199

  7. How can knowing about an interception in football help you remember the definition of y-intercept?

  8. Got it? Write an equation in slope-intercept form using the info given.A.) m= -3 b= -8 B.) m= ½ B= ¼

  9. Try one:write an equation in slope-intercept form for the graph. Step 1: Find the y-intercept (b) Step 2: find another point on the line. Step 3: count slope (m) or use the formula Step 4: rewrite in y=mx+b

  10. Practice:

  11. Pg. 201

  12. Interpret the slope and the y-intercept.What do they represent?

  13. Pg. 202

  14. Independent Practicepg. 203 (1-11)

  15. Explain how you would graph y= -14x +3 using the slope and y-intercept. Wrap it up

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