6. Given the ordered pairs, use the slope formula to Find the slope of GH: G(-11, -3) and H(-6, 7)
7. Given the ordered pairs, use the slope formula to Find the slope of XY: X(9, -4) and Y(9, 2)
8. Given the ordered pairs, use the slope formula to Find the slope of RS: R(-7, -3) and S(0, -3)
16. Use slope to determine if lines AB and CD are parallel, perpendicular, or neither. A(-1, 8), B(2, 6), C(-1, 2), D(3, 3)
m(AB):
m(CD):
types of line:
Given A(9,2), B(-1, y), C(-5, 16), and D(-8,11). Find the value of y so that AB is perpendicular to CD.
20. Given the graph, write the equation of the line in slope-intercept form.
21. Given the graph, write the equation of the line in slope-intercept form.
23.Graph the line.
24. Graph the line..
27. Because standard form does not give you slope(m), you must be able to convert them to slope-intercept form. 6x + 8y = -16
28. Because standard form does not give you slope(m), you must be able to convert them to slope-intercept form.
x – 4y = 0
30. Graph the line.
32. Graph the line.
33. Graph the line.
37. Determine whether the equations are parallel, perpendicular or neither.
5x+3y=3
m=
and
3x+5y=-25
m=
choose:
35. Determine whether the equations are parallel, perpendicular or neither.
m=
and
m=
choose:
38. Which line is parallel to the line shown below?
39. Which line is perpendicular to the line shown?
41. Write the linear equation in slope-intercept form.
43. Write the linear equation in slope-intercept form. (-6, -7) and (3, -4).
45. Write the equation of the line that is parallel to x – 3y = 9 and passes through the point (3, -1).
47. Write the equation of the line that is perpendicular to x + y = -5 and passes through the point (7, 3).
slope to use:
equation:
49. Write a linear equation for j in slope-intercept form. Then graph both XY and j to confirm your answer graphically.
midpoint XY:
slope:
perpendicular bisector: