Download - Unit 5 Pre-Test
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Unit 5 Pre-Test
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Slopeconstant rate of
change Slope = m = Ris
eRun
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TYPES OF SLOPE
Positive slope Negative slope Zero slope Undefined slope
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POSITIVE SLOPE AS A GRAPH
The line rises from left to right.
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POSITIVE SLOPE
Each year, Tina grows 4 inches. At age 3, Tina was 30 in. tall. At age 4, Tina was 34 in. tall. At age 5, Tina was 38 in. tall. At age 6, Tina was 42 in. tall. At age 7, Tina was 46 in. tall.
Age 3
30 in.
Age 5
38 in.
Age 6
42 in.
Age 7
46 in.
Age 4
34 in.
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NEGATIVE SLOPE AS A GRAPH
The line falls from left to right.
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NEGATIVE SLOPE
Each year, Tina shrinks 4 inches. At age 3, Tina was 30 in. tall. At age 4, Tina was 26 in. tall. At age 5, Tina was 22 in. tall. At age 6, Tina was 18 in. tall. At age 7, Tina was 14 in. tall.
Age 3
30 in.
Age 5
22 in.
Age 6
18 in.
Age 7
14 in.
Age 4
26 in.
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ZERO SLOPE AS A GRAPH
The line is horizontal.
Zero Slope
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ZERO SLOPE
Each year, Tina does not grow at all. At age 3, Tina was 30 in. tall. At age 4, Tina was 30 in. tall. At age 5, Tina was 30 in. tall. At age 6, Tina was 30 in. tall. At age 7, Tina was 30 in. tall.
Age 3
30 in.
Age 5
30 in.
Age 6
30 in.
Age 7
30 in.
Age 4
30 in.
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UNDEFINED SLOPE AS A GRAPH
The line is vertical.
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UNDEFINED SLOPE
At age 3, Tina had a growth spurt and grew
16 inches all at once. At age 3, Tina was 30 in. tall. At age 3, Tina was 34 in. tall. At age 3, Tina was 38 in. tall. At age 3, Tina was 42 in. tall. At age 3, Tina was 46 in. tall. Age
330 in.
Age 3
38 in.
Age 3
42 in.
Age 3
46 in.
Age 3
34 in.
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SlopeTree
Posi
tive
Slo
pe
Negative
Slo
pe
Zero Slope
Un
defi
ned
Slo
pe
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FOLDABLES AND NOTE TAKING TIME!!!!
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CALCULATE SLOPE GIVEN THE RISE AND RUN
Rise (or fall)Run
Find the slope given the rise and run.1) Rise = 2 2) Rise = 3 3)
Rise = -1 Run = -9 Run = 6
Run = 5
Slope = m =