CBSE Class 10 Mathematics Standard sample paper 2024-25: question 1
From the official CBSE sample question paper for 2024-25, section A, question 1, for 1 mark. Try it first; the hints and our step-by-step solution are below.
Q1 · 1 mark · MCQPolynomials
The graph of a quadratic polynomial passes through the points , , and . The zeroes of the polynomial are
- (A)
- (B)
- (C)
- (D)
Source: official sample paper from cbseacademic.nic.in (PDF). See it in the full Sample paper 2024-25.
Hints
Open one hint at a time and try again before the next.
Hint 1
Where does the graph of a polynomial cut the -axis?
Hint 2
Look for the given points whose -coordinate is .
Step-by-step solution
Each step shows the marks it earns, as an examiner would award them. Checked by an independent re-solve from the question paper.
The zeroes of are the -coordinates of the points where its graph meets the -axis, that is, where .
- 1 mark
Among the given points, only and have . So the zeroes are and , which is option (D).
Answer: , option (D)
Where the marks are
- Picks the -coordinates of the points with , giving zeroes (1 mark)
Revise the chapter
- Chapter: Polynomials (notes, formulas, where marks are lost and every past question)
- Topic: Forming a Quadratic Polynomial from Its Zeros
More questions from Polynomials
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- 2024 board paper, set 30/1/1 (Standard), Q1 · 1 markIf the sum of zeroes of the polynomial p(x)=2x²-k√(2) x+1 is √(2), then value of k is:
The question is transcribed from the official paper; figures are described in words. The solution, hints and chapter tag are ours. Spotted an error? Write tosupport@questionbuddy.in.