A) A(3,4), B(7,8) P(5,6). b) A(-5,-2), B(3,7) P(-1,2.5)

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Presentation transcript:

a) A(3,4), B(7,8) P(5,6)

b) A(-5,-2), B(3,7) P(-1,2.5)

a) A(0,0), B(10,0) C(7,5), D(3,5) Down 5 Left 3 Down 5 Right 3

Slope Page 3

Slope Formula m = slope Algebraically Graphically

Identifying Slopes No Slope Positive Slope Negative Slope Zero Slope Undefined Slope

HOY-VUX No Slope Zero Slope Undefined Slope H - Horizontal Line 0 - zero slope Y - equation is y = (constant) V - Vertical Line U - Undefined slope X - equation is x = (constant)

Example: Find the slope of the line with endpoints A(-3,-1) and B(2,5) OR

Find the slope of the line with endpoints A (4,2) and B(7,2)

Find the slope of the line with endpoints A (-3,5) and B(-3,-1)

4. Find the value of k so that the slope of the line passing through the points (5,3) and (k,6) will be 1.

15. Draw a line with the given slope m that passes through the given point.

Homework Page 3: 2 f,i,l, 6, 7, 16 Page 3: 2 f,i,l, 6, 7, 16

2f) Plot both points, draw the line determined by the two points, and find the slope of the line. -3 6

2i) Plot both points, draw the line determined by the two points, and find the slope of the line. 5 1

2l) Plot both points, draw the line determined by the two points, and find the slope of the line. -6 2

6) Find the value of k so that the slope of the line passing through the points (-8,-2) and (4,y) will be 0.

7) Find the value of x so that the line passing through the points (-4,8) and (x,-2) will have no slope.

16) Draw a line with the given slope m through the given point.