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Class 9 Maths · Ganita Manjari · Exercise Set 2.5 Exercise Set 2.5 Class 9 · Ganita Manjari 📘 Chapter 2 — Polynomials 📌 Finding a and b in y = ax + b 📐 When a linear relationship is given by y = ax + b, we can find the constants a and b

Class 9 Maths · Ganita Manjari · Exercise Set 2.4 Exercise Set 2.4 Class 9 · Ganita Manjari 📘 Chapter 2 — Polynomials 📌 Linear Growth & Decay 📐 Linear growth occurs when a quantity increases by a constant amount each period: y = a + bt (where b > 0). Linear decay occurs when

Class 9 Maths · Ganita Manjari · Exercise Set 2.3 Exercise Set 2.3 Class 9 · Ganita Manjari 📘 Chapter 2 — Polynomials 📌 Linear Patterns & Expressions 📐 A linear expression is of the form an + b, where a and b are constants and n is a variable. It represents a constant rate

Class 9 Maths · Ganita Manjari · Exercise Set 2.2 Exercise Set 2.2 Class 9 · Ganita Manjari 📘 Chapter 2 — Polynomials 📌 Complete Solutions 📐 Evaluating polynomials means substituting the given value of the variable into the polynomial. Word problems can be solved by forming linear equations from the given conditions. 1 Find

Class 9 Maths · Ganita Manjari · Exercise Set 2.1 Exercise Set 2.1 Class 9 · Ganita Manjari 📘 Chapter 2 — Polynomials 📌 Complete Solutions 📐 Degree of a polynomial is the highest power of the variable in the polynomial. A polynomial of degree 1 is called a linear polynomial, degree 2 is a

Class 9 Maths · Ganita Manjari · End-of-Chapter Exercises End-of-Chapter Exercises Class 9 · Ganita Manjari 📘 Chapter 1 — Coordinate Geometry 📌 Complete Solutions 1 What are the x‑coordinate and y‑coordinate of the point of intersection of the two axes? The x‑axis and y‑axis intersect at the origin. Therefore: The x‑coordinate = 0 The

Class 9 Maths · Ganita Manjari · Exercise Set 1.2 Exercise Set 1.2 Class 9 · Ganita Manjari 📘 Chapter 1 — Coordinate Geometry 📌 Fig. 1.5 — Reiaan’s house layout 📐 On a graph sheet, mark the x‑axis and y‑axis and the origin O. Mark points from (−7, 0) to (13, 0) on the

Class 9 Maths · Ganita Manjari · Exercise Set 1.1 Exercise Set 1.1 Class 9 · Ganita Manjari 📘 Chapter 1 — Coordinate Geometry 📌 Fig. 1.3 — Reiaan’s room 📐 Points O, A, B, C mark the corners. O is the origin. The x‑ and y‑axes are shown. D₁R₁ is the room door, and