Find the x-intercept, y-intercept and slope x-intercept = ____ y-intercept = ____ Slope = _____.
FINDING SLOPE AND Y-INTERCEPT
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Transcript of FINDING SLOPE AND Y-INTERCEPT
FINDING SLOPE AND Y-
INTERCEPT On a graph
OBJECTIVE
To ANALYZE graphs and DISTINGUISH slope and y-intercept.
To ANALYZE tables and DISTINGUISH slope and y-intercept.
POSITIVE SLOPE = +RISE/RUN
NEGATIVE SLOPE = -RISE/RUN
ZERO SLOPE = 0 RISE/RUN
NO SLOPE/SLOPE UNDEFINED = IMPOSSIBLE (YEEK!)
SLOPE = 2/3POSITIVE SLOPE
CREATE A GRAPH FROM THE TABLE AND DETERMINE THE SLOPE
x y
0 0
1 1
2 2
SLOPE = 1/1 POSITIVE SLOPE
0 0.5 1 1.5 2 2.5 3 3.50
0.5
1
1.5
2
2.5
3
3.5
CREATE A TABLE AND DETERMINE THE SLOPE
-2.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5
-4
-3
-2
-1
0
1
2
SLOPE = -2/2 NEGATIVE SLOPEY-INTERCEPT = (0,-1)
X Y
-2 1
0 -1
2 -3
PRACTICE (TEXTBOOK)
PAGE 414
#1-10
draw graph for 3-8
Y-INTERCEPT Where the line crosses the y-axis.
Y-INTERCEPT = (0,-3)
CREATE A GRAPH FROM THE TABLE AND DETERMINE THE Y-INTERCEPT
x y
0 0
1 1
2 2
Y-INTERCEPT = (0,0)
0 0.5 1 1.5 2 2.5 3 3.50
0.5
1
1.5
2
2.5
3
3.5
CREATE A TABLE AND DETERMINE Y-INTERCEPT
-2.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5
-4
-3
-2
-1
0
1
2
Y-INTERCEPT = (0,-1)
X Y
-2 1
0 -1
2 -3