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1) Given that Y = 3X, if X = 3 what is Y? a) 3 b) 6 c) 9 d) 12 2) If Y is 1 when Y = 2X what is X? a) 1 b) 2 c) 5 d) 0.5 3) Given that y = mx + c, what is x? a) y - c b) (y - c )/ m c) y/m d) x / m 4) What kind of graph formed when given the function y = 2x? a) Circle b) Triangle c) Square d) Straight line 5) What kind of graph formed when given the function y = 1 / x? a) Curved b) Straight line c) Circle d) triangle 6) If the formula is y = x2 what type of graph is formed? a) Curved  b) Straight line c) Circle d) Triangle 7) In direct variation the graph is ................ a) Curved b) Straight line c) Circle d) Square 8) In Inverse variation the graph is ................ a) Curved b) Straight line c) Circle d) Rectangle 9) What do we call the number that does not change in variation? a) Y - axis b) X - axis c) Constant d) Variation 10) If y varies directly as x, and x = 12 when y = 9, what is the equation that describes this direct variation? a) Y = (4 / 3 )X b) Y = (3 / 4 )X c) Y = (2 / 3 )X d) Y = (1 / 3 )X

VARIATION: Describe Variation

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