X ------ = ------ Y. Direct variation X 1 X 2 ------ = ------ Y 1 Y 2.

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Presentation transcript:

X = Y

Direct variation X 1 X = Y 1 Y 2

Direct variation X 1 X = Y 1 Y 2

Inverse variation X 1 X = Y 2 Y 1

Inverse variation X 1 X = Y 2 Y 1

If y varies directly as x and y = 4 when x = 12, find y when x = 6

If y varies directly as x and y = 4 when x = 12, find y when x = 6 X 1 X = Y 1 Y 2

If y varies directly as x and y 1 = 4 when x 1 = 12, find y 2 when x 2 = 6 X 1 X = Y 1 Y 2

If y varies directly as x and y 1 = 4 when x 1 = 12, find y 2 when x 2 = 6 X 1 X = Y 2

If y varies directly as x and y 1 = 4 when x 1 = 12, find y 2 when x 2 = 6 12 X = Y 2

If y varies directly as x and y 1 = 4 when x 1 = 12, find y 2 when x 2 = = Y 2

4 * 6 = 12 * Y = Y 2

4 * 6 = Y = Y 2

24 = Y = Y 2

2 = Y = Y 2

2 = Y =

If y varies directly as x and y = 9 when x = 3, find y when x = 60

If y varies directly as x and y = 11 when x = 121, find y when x = 80

If y varies directly as x and y = 42 when x = 7, find y when x = 3

If y varies inversely as x and y = 5 when x = 10, find y when x = 50

If y varies inversely as x and y = 5 when x = 10, find y when x = 50 X 1 X = Y 2 Y 1

If y varies inversely as x and y = 900 when x = 3, find y when x = 2

If y varies inversely as x and y = 8 when x = 64, find y when x = 16