Mathematics
Grade 9
15 min
Write and solve direct variation equations
Write and solve direct variation equations
Tutorial Preview
1
y varies directly with x. If y = 15 when x = 3, write the equation.
2
y varies directly with x. If y = 8 when x = 2, what is y when x = 6?
3
y varies directly with x. If y = 20 when x = 5, what is x when y = 32?
Sample Practice Questions
Easy
y varies directly with x. If y = 12 when x = 4, write the direct variation equation.
0.y = 3x
1.y = 4x
2.y = 12x
3.y = 0.33x
Easy
y varies directly with x. If y = 14 when x = 2, write the direct variation equation.
0.y = 2x
1.y = 14x
2.y = 7x
3.y = 28x
Easy
y varies directly with x. If y = 10 when x = 5, what is y when x = 3?
0.5
1.6
2.10
3.15
Want to practice and check your answers?
Sign up to access all questions with instant feedback, explanations, and progress tracking.
Start Practicing Free