Simple Equations
19 solved questions from Class 7 Mathematics, each with the full working. Tap any question to see the step-by-step solution.
- 1 Find the zeroes of the quadratic polynomial x² - 5x + 6. medium MCQ Zeroes of Polynomial
- 2 What is the degree of a non-zero constant polynomial? medium MCQ Degree of Polynomial
- 3 Solve for x: 2x + 5 = 15. medium MCQ Linear Equations
- 4 Find the discriminant (D) of x² - 4x + 4 = 0. medium MCQ Quadratic Discriminant
- 5 If the roots of ax² + bx + c = 0 are real and equal, what is D? medium MCQ Nature of Roots
- 6 Expand (a + b)². medium MCQ Algebraic Identities
- 7 Factorise x² - 9. medium MCQ Difference of Two Squares
- 8 Solve pair of equations: x + y = 10 and x - y = 4. medium MCQ Pair of Linear Equations
- 9 What is the degree of a quadratic polynomial? medium MCQ Degree of Polynomial
- 10 If x = 2 is a root of x² - kx + 10 = 0, find k. medium MCQ Roots of Equation
- 11 What is the domain, range, or fundamental theorem introduced in 'Simple Equations' (Class 7 Mathematics)? medium MCQ Functions & Theorems
- 12 What is the derivative or integral formula associated with 'Simple Equations'? medium MCQ Calculus & Formulae
- 13 How do you find the solution set or optimum value in 'Simple Equations'? medium MCQ Problem Solving & Optimization
- 14 Factorise the quadratic expression x^2-7x+12 medium 2 marks Factoring quadratic expressions
- 15 Solve the simultaneous linear equations: x+2y=5 and 3x-y=4 hard 3 marks Solving simultaneous linear equations
- 16 If x=3 is a root of the quadratic equation x^2-mx+5=0, find m medium 2 marks Using Vieta's formulas in quadratic equations
- 17 Solve the linear equation: 3x-7=2x+5 easy 1 mark Solving linear equations
- 18 Solve 5x-12=3x+8 easy 1 mark Solving simple linear equation
- 19 Factorise the quadratic expression x^2 - 16x + 64 medium 2 marks Factorising perfect square trinomials