In this worksheet, we will practice solving rational equations using cross multiplication.

**Q5: **

Given that , , and , what is the value of ?

**Q6: **

Consider the function .

For what values of does have a solution?

- A and 9
- Ball real numbers except and 9
- C
- D
- Eall real numbers

What is the range of the function ?

- A
- B
- Call real numbers
- Dall real numbers except and 9
- E

**Q7: **

If , find the value of .

**Q8: **

Given that , which of the following is equal to ?

- A
- B
- C
- D

**Q9: **

Container has one litre of acid at a concentration, and container has the same acid at a concentration. How many litres from must be added to to obtain a concentration?

- A 7.35 litres
- B 2.17 litres
- C 4.28 litres
- D 5.25 litres
- E 6.97 litres

**Q10: **

Given that the ratio is equivalent to , then what are the possible values of ?

- A
- B
- C
- D

**Q11: **

If , find in its simplest form.

- A
- B
- C
- D
- E

**Q12: **

If the function , what is the value of for which the multiplicative inverse of is 16?

- A
- B
- C
- D
- E

**Q13: **

Given that , where and , determine the values of and .

- A ,
- B ,
- C ,
- D ,
- E ,

**Q14: **

Find the solution set of in .

- A
- B
- C
- D

**Q15: **

Find the value of given is the multiplicative inverse of .

- A
- B
- C
- D