Which slope is different?

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Which slope is different? Look at each graph. Three graphs have the same slope, one does not. Determine the slope of each graph, then choose one graph that does not match the other three.

Page 13  Slope  y-intercept  Coordinates of the two labeled points Without labels, we can only describe a relationship between x and y, not specific quantities such as time, distance, etc. What can we tell from this graph?  Slope  y-intercept  Coordinates of the two labeled points  Scaling on the x-axis and y-axis  How does x relate to y? Write a verbal description relating to each arrow above.

m = 35/60 b = 35 Page 14 Plot the following points. (0,35) , (60,70), and (120,105) . Determine the slope of the line using a method of your choice. What is the y-intercept? Write an equation in y=mx+b format for this line. . . . Equation: y = x +

Page 18 Find three points, then plot the points in the graph and construct a line to show the relationship between x and y. tortoise distance (miles) hare distance (miles)

Page 18 60 120 x y NOTE: Please use the modified weights shown in red. Complete the table below. Determine the equation Describe the relationship in our own words between the variable x and the variable y. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Find three additional points that could exist on this line. x y 60 120