Half Book 1

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Question 1 of 10 0% read

1. Factorize: x³ - 8

A (x - 2)(x² + 2x + 4)

B (x + 2)(x² - 2x + 4)

C (x - 2)(x² - 2x + 4)

D (x + 2)(x² + 2x + 4)

2. Which of the following is a relation from set X = {1, 2} to set Y = {a, b}?

A {(1, a), (1, b)}

B {(1, 1), (2, 2)}

C {(a, 1), (b, 2)}

D {(1, 2, a)}

3. What is the intersection of A = {x | x is even number less than 10} and B = {x | x is multiple of 3 less than 10}?

A {2, 4, 6, 8}

B {3, 6, 9}

C {6}

D {2, 3, 4, 6, 8, 9}

4. Simplify: log₉(3).

A 1/2

B 2

C 1/3

D 3

5. Convert 6.02 × 10²³ to standard notation.

A 602000000000000000000000

B 60200000000000000000000

C 0.000000000000000000000602

D 6020000000000000000000

6. The product of two rational numbers is always:

A Rational

B Irrational

C Integer

D Natural

7. Write 1.23 × 10⁻² in standard notation.

A 0.0123

B 123

C 0.123

D 1230

8. What is the characteristic of log₁₀(4500)?

A 2

B 3

C 4

D 5

9. Solve for x: √(5x) = 10

A 2

B 20

C 50

D 100

10. What is the mantissa of log₁₀(2.3) if log₁₀(2.3) ≈ 0.3617?

A 0.3617

B 0.36

C 0.17

D 0.361

Half Book 1

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