find each of the following products :- (5x²+3/4 y²) (⁵x²-3/4y²)
Answers
Answer:
Step-by-step explanation:
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MCQ Questions for Class 10 Maths Quadratic Equations with Answers
July 17, 2020 by Kishen
Free PDF Download of CBSE Class 10 Maths Chapter 4 Quadratic Equations Multiple Choice Questions with Answers. MCQ Questions for Class 10 Maths with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 10 Maths Quadratic Equations MCQs with Answers to know their preparation level.
Class 10 Maths MCQs Chapter 4 Quadratic Equations
1. Which of the following is not a quadratic equation
(a) x² + 3x – 5 = 0
(b) x² + x3 + 2 = 0
(c) 3 + x + x² = 0
(d) x² – 9 = 0
Answer/Explanation
Answer: b
Explaination:Reason: Since it has degree 3.
2. The quadratic equation has degree
(a) 0
(b) 1
(c) 2
(d) 3
Answer/Explanation
3. The cubic equation has degree
(a) 1
(b) 2
(c) 3
(d) 4
Answer/Explanation
4. A bi-quadratic equation has degree
(a) 1
(b) 2
(c) 3
(d) 4
Answer/Explanation
5. The polynomial equation x (x + 1) + 8 = (x + 2) {x – 2) is
(a) linear equation
(b) quadratic equation
(c) cubic equation
(d) bi-quadratic equation
Answer/Explanation
6. The equation (x – 2)² + 1 = 2x – 3 is a
(a) linear equation
(b) quadratic equation
(c) cubic equation
(d) bi-quadratic equation
Answer/Explanation
7. The roots of the quadratic equation 6x² – x – 2 = 0 are
MCQ Questions for Class 10 Maths Quadratic Equations with Answers 1
Answer/Explanation
8. The quadratic equation whose roots are 1 and
(a) 2x² + x – 1 = 0
(b) 2x² – x – 1 = 0
(c) 2x² + x + 1 = 0
(d) 2x² – x + 1 = 0
Answer/Explanation
9. The quadratic equation whose one rational root is 3 + √2 is
(a) x² – 7x + 5 = 0
(b) x² + 7x + 6 = 0
(c) x² – 7x + 6 = 0
(d) x² – 6x + 7 = 0
Answer/Explanation
10. The equation 2x² + kx + 3 = 0 has two equal roots, then the value of k is
(a) ±√6
(b) ± 4
(c) ±3√2
(d) ±2√6
Answer/Explanation
Step-by-step explanation:
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