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Find slope &/or y-int given a graph, table, or equation
Find slope or use slope in other ways
Direct & Inverse Variation
FINAL JEOPARDYQUESTION
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Find the slope of this line.
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Find the slope given this equation: y = 4x - 4
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Find the slope using this table.
X Y
-4 -17
-2 -11
0 -5
2 1
4 7
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Find the slope of a line given these
points on the line:( -4,8) (3, -2)
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Give the slope and y-intercept of the
line that has passes through these points
(3,0) (6,2).
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Give a 2nd point that would fall on the line
that passes through (5,4) and has a slope of ½.
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Write the equation of this line:
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Identify which if any pairs of equations are parallel or perpendicular:
A) y = 3x + 4 E) y = 3x + 2 B) y = 4x – 3 F) y = 4x C) y= -1/3x G) y= 1/3x +8 D) y= -0.25x +6
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Write 2 equations that are parallel to one
another & Write 2 equations that
are perpendicular to one another.
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Tell if each is an example of direct variation or inverse variation: A) Height of a person vs. wingspan
B) Number of people who buy a lottery ticket and the odds that you will win
C) Number of people at a picnic and amount of watermelon that you get
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Tell if these are examples of direct of inverse variation:
X Y
8 19
9 21
12 27
X Y
-3 5
-4 10
-5 15
X Y
20 -20
21 -25
22 -30
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Identify each graph as having either direct or inverse variation:
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Identify each equation as either inverse (I) or direct(D) variation:
A) y = -3x B) y = -10/x C) y = 10 D) x = 50000/y E) y = 3x2
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Give an example (not already used today) of direct variation & an
example of inverse variation.
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FINAL JEOPARDY