1. 4.3 – Writing Equations in Point Slope Form

2. Ex. 1 Write the point-slope form of an equation for a line that passes through (-1,5) with slope -3.

6. y – y 1 = m(x – x 1 )

7. Ex. 1 Write the point-slope form of an equation for a line that passes through (-1,5) with slope -3. x 1 y – y 1 = m(x – x 1 )

8. Ex. 1 Write the point-slope form of an equation for a line that passes through (-1,5) with slope -3. x 1 y 1 y – y 1 = m(x – x 1 )

9. Ex. 1 Write the point-slope form of an equation for a line that passes through (-1,5) with slope -3. x 1 y 1 m y – y 1 = m(x – x 1 )

10. Ex. 1 Write the point-slope form of an equation for a line that passes through (-1,5) with slope -3. x 1 y 1 m y – y 1 = m(x – x 1 ) y –

11. Ex. 1 Write the point-slope form of an equation for a line that passes through (-1,5) with slope -3. x 1 y 1 m y – y 1 = m(x – x 1 ) y –

12. Ex. 1 Write the point-slope form of an equation for a line that passes through (-1,5) with slope -3. x 1 y 1 m y – y 1 = m(x – x 1 ) y – 5

13. Ex. 1 Write the point-slope form of an equation for a line that passes through (-1,5) with slope -3. x 1 y 1 m y – y 1 = m(x – x 1 ) y – 5 =

14. Ex. 1 Write the point-slope form of an equation for a line that passes through (-1,5) with slope -3. x 1 y 1 m y – y 1 = m(x – x 1 ) y – 5 =

15. Ex. 1 Write the point-slope form of an equation for a line that passes through (-1,5) with slope -3. x 1 y 1 m y – y 1 = m(x – x 1 ) y – 5 = -3

16. Ex. 1 Write the point-slope form of an equation for a line that passes through (-1,5) with slope -3. x 1 y 1 m y – y 1 = m(x – x 1 ) y – 5 = -3(x –

17. Ex. 1 Write the point-slope form of an equation for a line that passes through (-1,5) with slope -3. x 1 y 1 m y – y 1 = m(x – x 1 ) y – 5 = -3(x –

18. Ex. 1 Write the point-slope form of an equation for a line that passes through (-1,5) with slope -3. x 1 y 1 m y – y 1 = m(x – x 1 ) y – 5 = -3(x – (-1))

19. Ex. 1 Write the point-slope form of an equation for a line that passes through (-1,5) with slope -3. x 1 y 1 m y – y 1 = m(x – x 1 ) y – 5 = -3(x – (-1)) y – 5 = -3(x + 1)

20. Ex. 2 a) Write y – 4 = ¾(x – 6) in standard form.

21. Ex. 2 a) Write y – 4 = ¾(x – 6) in standard form. * Standard Form: Ax + By = C

22. Ex. 2 a) Write y – 4 = ¾(x – 6) in standard form. * Standard Form: Ax + By = C, where A, B, & C are whole numbers and A is positive.

23. Ex. 2 a) Write y – 4 = ¾(x – 6) in standard form. * Standard Form: Ax + By = C, where A, B, & C are whole numbers and A is positive. y – 4 = ¾(x – 6)

24. Ex. 2 a) Write y – 4 = ¾(x – 6) in standard form. * Standard Form: Ax + By = C, where A, B, & C are whole numbers and A is positive. y – 4 = ¾(x – 6) 4(y – 4) = 4(¾)(x – 6)

25. Ex. 2 a) Write y – 4 = ¾(x – 6) in standard form. * Standard Form: Ax + By = C, where A, B, & C are whole numbers and A is positive. y – 4 = ¾(x – 6) 4(y – 4) = 4(¾)(x – 6) 4y – 16 = 3(x – 6)

26. Ex. 2 a) Write y – 4 = ¾(x – 6) in standard form. * Standard Form: Ax + By = C, where A, B, & C are whole numbers and A is positive. y – 4 = ¾(x – 6) 4(y – 4) = 4(¾)(x – 6) 4y – 16 = 3(x – 6) 4y – 16 = 3x – 18

27. Ex. 2 a) Write y – 4 = ¾(x – 6) in standard form. * Standard Form: Ax + By = C, where A, B, & C are whole numbers and A is positive. y – 4 = ¾(x – 6) 4(y – 4) = 4(¾)(x – 6) 4y – 16 = 3(x – 6) 4y – 16 = 3x – 18 4y = 3x – 2

28. Ex. 2 a) Write y – 4 = ¾(x – 6) in standard form. * Standard Form: Ax + By = C, where A, B, & C are whole numbers and A is positive. y – 4 = ¾(x – 6) 4(y – 4) = 4(¾)(x – 6) 4y – 16 = 3(x – 6) 4y – 16 = 3x – 18 4y = 3x – 2 -3x + 4y = -2

29. Ex. 2 a) Write y – 4 = ¾(x – 6) in standard form. * Standard Form: Ax + By = C, where A, B, & C are whole numbers and A is positive. y – 4 = ¾(x – 6) 4(y – 4) = 4(¾)(x – 6) 4y – 16 = 3(x – 6) 4y – 16 = 3x – 18 4y = 3x – 2 -3x + 4y = -2

30. Ex. 2 a) Write y – 4 = ¾(x – 6) in standard form. * Standard Form: Ax + By = C, where A, B, & C are whole numbers and A is positive. y – 4 = ¾(x – 6) 4(y – 4) = 4(¾)(x – 6) 4y – 16 = 3(x – 6) 4y – 16 = 3x – 18 4y = 3x – 2 -3x + 4y = -2 (-1)(-3x + 4y) = -1(-2)

31. Ex. 2 a) Write y – 4 = ¾(x – 6) in standard form. * Standard Form: Ax + By = C, where A, B, & C are whole numbers and A is positive. y – 4 = ¾(x – 6) 4(y – 4) = 4(¾)(x – 6) 4y – 16 = 3(x – 6) 4y – 16 = 3x – 18 4y = 3x – 2 -3x + 4y = -2 (-1)(-3x + 4y) = -1(-2) 3x – 4y = 2

32. b) Write y – 2 = ¼(x + 3) in slope- intercept form.

33. *Slope-Intercept Form: y = mx + b

34. b) Write y – 2 = ¼(x + 3) in slope- intercept form. *Slope-Intercept Form: y = mx + b, where m is slope & b is the y-intercept.

35. b) Write y – 2 = ¼(x + 3) in slope- intercept form. *Slope-Intercept Form: y = mx + b, where m is slope & b is the y-intercept. y – 2 = ¼(x + 3)

36. b) Write y – 2 = ¼(x + 3) in slope- intercept form. *Slope-Intercept Form: y = mx + b, where m is slope & b is the y-intercept. y – 2 = ¼(x + 3) y – 2 = ¼x + ¾

37. b) Write y – 2 = ¼(x + 3) in slope- intercept form. *Slope-Intercept Form: y = mx + b, where m is slope & b is the y-intercept. y – 2 = ¼(x + 3) y – 2 = ¼x + ¾ y = ¼x + ¾ + 2

38. b) Write y – 2 = ¼(x + 3) in slope- intercept form. *Slope-Intercept Form: y = mx + b, where m is slope & b is the y-intercept. y – 2 = ¼(x + 3) y – 2 = ¼x + ¾ y = ¼x + ¾ + 2

39. b) Write y – 2 = ¼(x + 3) in slope- intercept form. *Slope-Intercept Form: y = mx + b, where m is slope & b is the y-intercept. y – 2 = ¼(x + 3) y – 2 = ¼x + ¾ y = ¼x + ¾ + 2 y = ¼x + ¾ + 8 / 4

40. b) Write y – 2 = ¼(x + 3) in slope- intercept form. *Slope-Intercept Form: y = mx + b, where m is slope & b is the y-intercept. y – 2 = ¼(x + 3) y – 2 = ¼x + ¾ y = ¼x + ¾ + 2 y = ¼x + ¾ + 8 / 4 y = ¼x + 11 / 4