Proportion modelled algebraically

12 questions

1. Which of the following equations of a line show the direct proportion between x and y?
2. Which of the following equations of a curve show the direct proportion between x^2 and y?
3. Which of the following show that x is inversely proportional to y?
4. Given that y is directly proportional to 𝑥 and 𝑦=30 when x=5, write the equation connecting y and x.
5. Given that y is directly proportional to 𝑥^2 and 𝑦=4375 when x=25, write the equation connecting y and x^2.
6. Given that y\propto \frac{1}{𝑥} and 𝑦=4 when x=50, write the equation connecting y and x.
7. Which of the following show an inversely proportional relationship between y and x^n?
8. Which of these graphs show direct proportion between y and x^n?
9. Match the graph with the equation.
10. Two variables are inversely proportional if there is a constant ___ relationship between one variable and the reciprocal of the other.
11. Match the value of k with the relevant graph for y=\frac{k}{x}
12. Match the value of k with the relevant graph for y=\frac{k}{x^2}

License: OGL