Punjab 9th Class Math Chapter 4 Algebraic Expressions and Algebraic Formulas Mcqs Test Online Punjab 9th Class Math Chapter 4 Algebraic Expressions and Algebraic Formulas Punjab Class 9th 12345678 Question 1 of 8Math 1. (√a + √b)(√a – √b) is equal to ……………… a – b a + ba² – b² a² + b² Question 1 of 8Question 2 of 8 2. (3 + √2)(3 – √2) is equal to ……………… –1 –7 7 1 Question 2 of 8Question 3 of 8 3. 4x + 3y – 2 is an algebraic ………… Sentence Expression Equation InequationQuestion 3 of 8Question 4 of 8 4. a²–b²/a+b is equal to …………….. a + b (a – b)² a – b (a + b)² Question 4 of 8Question 5 of 8 5. 1/a–b – 1/a+b is equal to ………………….. 2b/a² – b² –2b/a² – b²2a/a² – b² –2a/a² – b² Question 5 of 8Question 6 of 8 6. a³ + b³ is equal to ………………… (a + b)(a² – ab + b²) (a – b)(a² + ab – b²)(a – b)(a² + ab + b²) (a – b)(a² – ab + b²) Question 6 of 8Question 7 of 8 7. The degree of polynomial 4x⁴ + 2x²y is ……………. 4 3 2 1 Question 7 of 8Question 8 of 8 8. Conjugate of surd a + √b is ……………… √a + √b a – √b – a + √b √a – √bQuestion 8 of 8 Loading... Test By Subject Punjab Test By Topics 9th Class Math You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.