Home » Surds and Indices – Questions and Answers – Quiz 1

Surds and Indices – Questions and Answers – Quiz 1

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1. (17)^3.5 x (17)^? = 178^8
2.29
2.75
4.25
4.5

2. If (a/b)^x-1 = (b/a)^x-3, then the value of x is:
1/2
1
2
7/2

3. Given that 10^0.48 = x, 10^0.70 = y and x^z = y^2, then the value of z is close to:
1.45
1.88
2.9
3.7

4. If 5^a = 3125, then the value of 5^(a – 3) is:
25
125
625
1625

5. If 3^(x – y) = 27 and 3^(x + y) = 243, then x is equal to:
0
2
4
6

Score =
Correct answers:

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