Changing the subject with simple formula

12 questions

1. Division in the __________ operation of multiplication.
2. Select the rearrangements of the additive relationship 389.16 + 417.4 = 806.56.
3. Select the rearrangements of the multiplicative relationship y=5x.
4. The solution to x-13=63 is x=___.
5. Laura begins to solve the equation x-12=13 by writing x-12+12=13. What error has Laura made?
6. Which of the below are rearrangements of the equation 17-x=2y ?
7. The __________ of a formula is a variable expressed in terms of other variables.
8. y^2 is not the subject of the equation y^2=25-x^2. Why not?
9. Match each equation to its subject.
10. Laura wants to make x the subject of the equation x+3y=17. Which operation should she apply to both sides of the equation?
11. Make n the subject of T=25-n.
12. The formula for the volume of a cylinder is V=\pi{r^2}h. Select the correct arrangement of the formula to make h the subject.

License: OGL