Indices Year 8
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by Jack Dunn
| 12 Questions
1
1
What is the value of 2a - 3b if a=2 and b = -5
-11
19
-13
57
2
1
The formula C=2.2k + 4 can be used to calculate the cost in dollars, C, of travelling by taxi for a distance of k kilometres. Find the cost of travelling 4.5km by taxi.
13.9
10.7
103
6.244
3
1
Simplify









4
1
Simplify 4a + 11 - 2a
6a + 11
17a
11 - 2a
2a + 11
5
1
Simplify

4
4a




6
1
Simplify









7
1
Expand

8
1
Simplify

9
1
What is the constant variable in the expression

10
1
Expand and simplify

11
1
Simplify

12
1


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