Speed and the Slope Connection Question to ponder: What does speed have to do with slopes? Created by Christina Varghese-Thomas PS/IS 123.

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Presentation transcript:

Speed and the Slope Connection Question to ponder: What does speed have to do with slopes? Created by Christina Varghese-Thomas PS/IS 123

SLOPES Definition: How steep a line is Slope The steeper a hill is, the _____________ you will go! faster

What do you notice about these graphs? Graph of y=3xGraph of y=7x

What do you notice about these graphs? Graph of y=3x+0 Graph of y=3x+2.5

Compare these graphs. What does the negative sign do to the line? Graph of y=3x Graph of y=-3x

Two lessons on how to find Slope of a line: ons/S2U4L2GL.htmlhttp:// ons/S2U4L2GL.html rph.htmhttp:// rph.htm

Quick Quiz In y=5x+4, what is the slope? In y=5x+4, what is the y-intercept? What is the slope of this line? The higher the slope, the ___________ the line. A “downhill” line has a _____________ slope. 5 (0, 4) Slope = 2/3 steeper negative