Introduction to Linear Polynomials Class 9 Mathematics Ganita Manjari [LATEST] Solutions Exercise Set 2.7 in English - CBSE Study
NCERT Solutions for Class 9 Mathematics Ganita Manjari are carefully prepared according to the latest CBSE syllabus and NCERT textbooks to help students understand every concept clearly. These solutions cover all important Introduction to Linear Polynomials with detailed explanations and step-by-step answers for better exam preparation. Each Exercise Set 2.7 is explained in simple language so that students can easily grasp the fundamentals and improve their academic performance. The study material is designed to support daily homework, revision practice, and final exam preparation for Class 9 students. With accurate answers, concept clarity, and structured content, these NCERT solutions help learners build confidence and score higher marks in their examinations. Whether you are revising a specific topic or preparing an entire chapter, this resource provides reliable and syllabus-based guidance for complete success in Mathematics Ganita Manjari.
Class 9 English Medium Mathematics Ganita Manjari All Chapters:
Introduction to Linear Polynomials
7. Exercise Set 2.7
End-of-Chapter Exercises
Q1. Write a polynomial of degree 3 in the variable x, in which the coefficient of the x2 term is –7.
Q2. Find the values of the following polynomials at the indicated values of the variables.
(i) 5x2 – 3x + 7 if x = 1
(ii) 4t3 – t2 + 6 if t = a
Q3. If we multiply a number by 52 and add 23 to the product, we get –7 12. Find the number.
Q4. A positive number is 5 times another number. If 21 is added to
both the numbers, then one of the new numbers becomes twice
the other new number. What are the numbers?
Q5. If you have `800 and you save `250 every month, find the
amount you have after (i) 6 months (ii) 2 years. Express this as
a linear pattern.
*6. The digits of a two-digit number differ by 3. If the digits are
interchanged, and the resulting number is added to the original
number, we get 143. Find both the numbers.
*7. Draw the graph of the following equations, and identify their
slopes and y-intercepts. Also, find the coordinates of the points
where these lines cut the y-axis.
(i) y = –3x + 4
(ii) 2y = 4x + 7
(iii) 5y = 6x – 10
(iv) 3y = 6x – 11
Are any of the lines parallel?
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