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 261-270 of 600 questions.
What is the degree of (p(x)=0x-5+7x-3-2x+1)?
B. (3)
\(0x^5\) का गुणांक (0) है इसलिए वह पद नहीं गिना जाएगा। सबसे बड़ी प्रभावी घात (3) है। / The coefficient of \(0x^5\) is (0), so that term is not counted. The highest effective power is (3).
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What is the variable in the polynomial (p(u)=13u-3-2u+9)?
B. (u)
जिस अक्षर के मान बदल सकते हैं वह चर होता है। यहां चर (u) है। / The letter whose values can change is the variable. Here the variable is (u).
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If the coefficient of (x) in (p(x)=9x-2+cx-5) is (-4), what is (c)?
C. (-4)
(cx) में (x) का गुणांक (c) है। दिया है कि (c=-4)। / In (cx), the coefficient of (x) is (c). It is given that (c=-4).
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If (p(x)=x-2-16), what is the value of (p(4))?
A. (0)
(p(4)=42-16=0)। इसलिए (4) इस बहुपद का शून्य है। / (p(4)=42-16=0). Hence (4) is a zero of this polynomial.
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For which polynomial is (x=-3) a zero?
A. (p(x)=x+3)
(p(-3)=-3+3=0), इसलिए (x=-3) इसका शून्य है। शून्य जांचने के लिए मान रखकर परिणाम (0) देखें। / (p(-3)=-3+3=0), so (x=-3) is its zero. To test a zero, substitute the value and check for (0).
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For (p(x)=x-2-7x+12), what is (p(3))?
A. (0)
(p(3)=9-21+12=0)। इसलिए (3) इस बहुपद का शून्य है। / (p(3)=9-21+12=0). Hence (3) is a zero of this polynomial.
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If \(m\ne0\) in a linear polynomial (mx+n), what is its degree?
B. (1)
\(m\ne0\) होने पर (mx) पद मौजूद रहता है और सबसे बड़ी घात (1) होती है। इसलिए घात (1) है। / When \(m\ne0\), the term (mx) exists and the highest power is (1). So the degree is (1).
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What is the leading coefficient of (p(z)=-6z-5+4z-4-z+8)?
A. (-6)
सबसे बड़ी घात \(z^5\) के पद का गुणांक (-6) है। अग्र गुणांक संकेत सहित लिखा जाता है। / The coefficient of the highest power term \(z^5\) is (-6). The leading coefficient is written with its sign.
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What is the coefficient of the \(x^4\)-term in (p(x)=8x-4-5x-3+2x-6)?
A. (8)
\(x^4\) वाले पद \(8x^4\) का गुणांक (8) है। घात और गुणांक को अलग पहचानें। / The coefficient of the \(x^4\)-term \(8x^4\) is (8). Identify the power and coefficient separately.
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What is the sum of (p(x)=4x-2-9x+2) and (q(x)=3x-2+x-7)?
A. \(7x^2-8x-5\)
समान घात वाले पद जोड़ने पर \(7x^2-8x-5\) मिलता है। केवल समान पदों को ही जोड़ें। / Adding like terms gives \(7x^2-8x-5\). Add only like terms.
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