15sbang+wiki+assignment+1

SOLOMON BANG Date of submission: Due date: December 3rd Date assigned: 11/nov/10 Math block: 8A Topic: Scatter plots, graphing linear equations, y-intercept, x-intercept.

Pg.209: Graphing a Scatter Plot 1) Putting the data into the Stat Edit

2) Window Settings



3) Not able to do it on shodor

4) End product



Excercises

1. The pattern of the graph is that the points of the graph is decreasing as the x axis increases

2. Scatter plot



3. The pattern of this graph is that it is going in sort of a zig zag pattern. It is different from the boys graph because in the boys graph the coordinates keeps going down as the x-axis increases. However it is different here in the girls graph.

4. In the boys time, as the age increases, their time decreases, however in the girls graph, the time goes in a zig zag pattern. First, as age increased the time decreased however from 15 years and older, the time started increasing again.

Pg. 215 60-65

60.x=-5 y=2 61. x=-8 y-=11



62. x=1, y=-6



63. X=4 Y=-4



64. x=0, y=-1



65. x=3 y=0



Pg.222 #44-55

44. y=x+2 y intercept is y= (0,2) x intercept is x=(-2,0)

45. y=-x-3

x intercept: x=(-3,0) y intercept: y=(0,-3) 46. y=4x+8

x intercept: x=(-2,0) y intercept: y=(0,8) 47. y=-6+3x

x intercept: (2,0) y intercept: (0,-6) 48. y=5x+15

x intercept: (-3.0) y intercept: (0,15) 49. 2x+4y=16

x intercept: (8,0) y intercept: (0,4)



50. -4x+3y=24

y intercept: (0,8) x intercept: (-6,0)



51. x-7y=21

y intercept: (0,-3) x intercept: (21,0)



52. 6x-y=36

y intercept: (0,-36) x intercept: (6,0)



53. 2x+9y=-36

y intercept: (0,-4) x intercept: (-18,0)



54. 4x+5y=20

y intercept: (0,4) x intercept: (5,0)



55. 0.5y=-2x+8

y intercept: (0,16) x intercept: (4,0)