Direct Variation

Front

Do x and y show direct variation?
y = 2x + 3

Back

No

Front

Do x and y show direct variation? y = 5x

Back

Yes

Front

Is the given table a direct variation?

Back

No

Front

Does the relationship represent direct variation?

Back

Yes

Front

Back

y = 5x

Front

Suppose y varies directly as x. If x = 27 when y = 6, find x when y = 2.

Back

9

Front

Suppose y varies directly as x. If x = 24 when y = 8, find y when x = 33.

Back

11

Front

Suppose y varies directly as x. If y = 30 when x = 8, find y when x = 4.

Back

15

Front

Suppose y varies directly as x. If y = 150 when x = 3, find y when x = 5.

Back

250

Front

Suppose y varies directly as x. If y = -4 when x = 32, find x when y = -0.375.

Back

3