1. When you rearrange an equation to isolate a single variable, such as y, the mathematical process you are using is?
(1 mark)
2. In the equation 3x + y - x = z, which terms are like terms?
(1 mark)
3. In the equation, 18 = 3x + 3, the solution for x equals
(1 mark)
4. A taxi fare is determined by a set flag fall of $5, and an additional charge of $0.50 per km. The total fare (F) is represented by the formula C = 0.5k + 5, where k is the number of kms travelled.
What would be the total fare if your taxi ride were 12.5 km?
(1 mark)