How do you write the direct linear variation equation for the relationship: y varies directly with x and y = 10 when x = 2? Algebra Graphs of Linear Equations and Functions Direct Variation 1 Answer Nghi N. ยท Joe D. Apr 15, 2015 Linear equation: y = 5x When x = 2 -> y = 5*2 = 10 Answer link Related questions What is Direct Variation? What does direct variation look like on a graph? What are examples of direct variation? How do you determine if a function is a direct variation when given a table? How do you write direct variation equations? What is the constant of proportionality "k"? Why is y=2x-1 not a direct variation? How do you graph the direct variation equation y=-\frac{1}{6}x? What is the direct variation equation if y varies directly with x, and y=7.5 when x=2.5? What is the direct variation equation if y varies directly with x, and y=2 when x=4? See all questions in Direct Variation Impact of this question 3601 views around the world You can reuse this answer Creative Commons License