Direct Variation

What type of relationship is a direct variation?

What does "k" stand for in the direct variation equation?

Equation format for direct variation?

Is the relationship in the table a direct variation?

Determine if there is a constant of proportionality, k. If there is a k, what is it?

Does the graph show a direct variation?

Does the given graph show a direct variation?

Does this equation show direct variation? y = 14x

Does the equation y + 3 = 14x show direct variation?

Determine if the relationship between the two quantities is a direct variation. Options: yes, the constant of variation is 1/2; yes, the constant of variation is 2; no, there is constant of variation.