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Mathematics
9th
grade
Operations on Real Numbers | Number Systems | Assessment | English | Grade 9
7 questions
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- 1. Multiple Choice
The sum or difference of a rational number and an irrational number is a _______.
Irrational Number
Whole number
Rational Number
Natural Number
- 2. Multiple Choice
Multiply : 4√5 by 2√5
8√5
40
5√8
60
- 3. Multiple Choice
Add : 2√3 + 5√2 and √3 - 3√2
3√3 + 2√2
2√3 - 3√2
3√3 - 2√2
2√3 + 3√2
- 4. Multiple Choice
Simplify the following Expression : (7 + √6) (7 - √6)
49√6
13
43
36√7
- 5. Multiple Choice
π/4 is a ___________
Rational Number
Irrational Number
Fraction
Whole number
- 6. Multiple Choice
Simplify the following Expression : (√5 + √7)²
6 + 2√35
12√35
12 + 2√35
5√35
- 7. Multiple Choice
Which of the following is a rational number?
(3 + √2)²
(2 - √2)²
(√5 - √3)²
[2/(3√2)]²
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