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 241-250 of 600 questions.
Which option has a linear polynomial whose leading coefficient is non-zero?
B. (7x+0)
(7x+0) में (x) का गुणांक (7) है जो शून्य नहीं है। इसलिए यह रेखीय बहुपद है। / In (7x+0), the coefficient of (x) is (7), which is non-zero. Therefore it is a linear polynomial.
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If (p(x)=3x+b), what will be the value of (p(4)-p(2))?
C. (6)
(p(4)-p(2)=(12+b)-(6+b)=6) है। नियतांक पद अंतर में कट जाता है। / (p(4)-p(2)=(12+b)-(6+b)=6). The constant term cancels in the difference.
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In which option will (p(x)=ax+b) have zero (-1)?
C. (b=a) और \(a\neq0\)(b=a) and \(a\neq0\)
शून्यक (-1) होने पर (-a+b=0) होगा। इसलिए (b=a) और \(a\neq0\) चाहिए। / If the zero is (-1), then (-a+b=0). So (b=a) and \(a\neq0\) are needed.
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If (p(x)=2x+3) and (q(x)=2x+3), what is the degree of (p(x)-q(x))?
C. परिभाषित नहींNot defined
(p(x)-q(x)=0) है। शून्य बहुपद की डिग्री परिभाषित नहीं होती। / (p(x)-q(x)=0). The degree of the zero polynomial is not defined.
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If (p(x)=9x-1), what is the value of (p(1)+p(0))?
B. (7)
(p(1)=8) और (p(0)=-1) हैं। इसलिए योग (7) है। / (p(1)=8) and (p(0)=-1). Therefore the sum is (7).
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If (p(x)=5x-4), what is the value of (p(3)-p(-1))?
C. (20)
(p(3)=11) और (p(-1)=-9) हैं। इसलिए अंतर (20) है। / (p(3)=11) and (p(-1)=-9). Therefore the difference is (20).
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For which value will ((2r+5)x-10) not remain a linear polynomial?
B. \(r=-\frac{5}{2}\)
रेखीय न रहने के लिए (x) का गुणांक (0) होना चाहिए। (2r+5=0) से \(r=-\frac{5}{2}\) मिलता है। / For it not to be linear, the coefficient of (x) must be (0). From (2r+5=0), \(r=-\frac{5}{2}\).
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If the zero of (p(x)=7x+b) is (-2), what is the value of (b)?
A. (14)
शून्यक (-2) होने से (7(-2)+b=0) होगा। इसलिए (b=14) है। / Since the zero is (-2), (7(-2)+b=0). Therefore (b=14).
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If (p(x)=2x-5) and (q(x)=4x+1), what is (3p(x)-q(x))?
A. (2x-16)
(3p(x)-q(x)=3(2x-5)-(4x+1)=2x-16) है। कोष्ठक खोलकर समान पद मिलाएं। / (3p(x)-q(x)=3(2x-5)-(4x+1)=2x-16). Open brackets and combine like terms.
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Which option has zero \(\frac{7}{3}\) for a linear polynomial?
C. (3x-7)
(3x-7=0) से \(x=\frac{7}{3}\) मिलता है। भिन्न शून्यक में हर और चिन्ह ध्यान रखें। / From (3x-7=0), we get \(x=\frac{7}{3}\). In fractional zeros, note the denominator and sign.
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