Practice focused topic-wise MCQs with answers and explanations for quick revision and exam preparation.
Difficulty select karke sirf is topic ke focused MCQs practice karein. Score, timer aur explanations student-friendly flow me milenge.
Showing 71-80 of 550 questions.
Which of the following clearly contains the \(x^2\) term?
C. \(4x^2+1=0\)
द्विघात पद \(x^2\) वाला पद होता है। विकल्प (C) में \(4x^2\) है। / The quadratic term is the term containing \(x^2\). Option (C) has \(4x^2\).
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What is the linear term in \(9x^2+0x+2=0\)?
B. (0x)
रैखिक पद (x) वाला पद होता है। यहां रैखिक पद (0x) है। / The linear term is the term containing (x). Here the linear term is (0x).
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Which equation is equivalent to \(x^2-6x+9=0\)?
A. ((x-3)2=0)
((x-3)2=x-2-6x+9) होता है। पूर्ण वर्ग पहचानने से समय बचता है। / ((x-3)2=x-2-6x+9). Recognising perfect squares saves time.
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How do we write \(x^2-49=0\) in factor form?
A. ((x-7)(x+7)=0)
\(x^2-49\) वर्गों का अंतर है। इसलिए यह ((x-7)(x+7)) बनता है। / \(x^2-49\) is a difference of squares. Hence it becomes ((x-7)(x+7)).
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If (x=2), what is the left side of \(x^2+5x-14=0\)?
A. (0)
रखने पर \(2^2+5\cdot2-14=0\) मिलता है। इसलिए (2) एक हल है। / Substituting gives \(2^2+5\cdot2-14=0\). So (2) is a solution.
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What are (a), (b), (c) in \(3x^2-21=0\)?
A. (3,0,-21)
इसे \(3x^2+0x-21=0\) लिखें। इसलिए (a=3), (b=0), (c=-21) हैं। / Write it as \(3x^2+0x-21=0\). So (a=3), (b=0), (c=-21).
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Which equation is quadratic in (t)?
A. \(t^2+3t+2=0\)
विकल्प (A) में चर (t) की सबसे बड़ी घात (2) है। इसलिए यह (t) में द्विघात है। / In option (A), the variable (t) has highest power (2). So it is quadratic in (t).
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What is the standard form of (4x(x-3)=0)?
A. \(4x^2-12x=0\)
(4x) को दोनों पदों से गुणा करने पर \(4x^2-12x=0\) मिलता है। ऋण चिन्ह पर ध्यान दें। / Multiplying (4x) by both terms gives \(4x^2-12x=0\). Pay attention to the negative sign.
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If (p(x)=x-2-4), what is (p(2))?
A. (0)
(p(2)=22-4=0) है। इसलिए (2) इस बहुपद का शून्यक है। / (p(2)=22-4=0). So (2) is a zero of this polynomial.
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Which option is the constant term in \(6x^2+x-8=0\)?
C. (-8)
स्थिर पद में चर नहीं होता। यहां स्थिर पद (-8) है। / The constant term has no variable. Here the constant term is (-8).
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