What is a quadratic equation?
February 4, 2023
In general a polynomial equation of degree 2 is called a quadratic equation. It is an equation in which the highest exponent of a variable is square.
Welcome to Lessons
Nature of roots of a quadratic equation
February 4, 2023
Discriminant of a quadratic equation determines its nature of roots. If discriminant is positive or zero, roots will be real otherwise they will be imaginary.
Quadratic formula derivation
February 4, 2023
We will be using completing the square method to derive the quadratic formula. All we need are 7 steps to get to the formula.
Characteristics of a quadratic curve
February 4, 2023
Special characteristics of a quadratic curve. 1. Concavity of a curve 2. y-intercept 3. Equation of the line of symmetry 4. Vertex
Introduction to matrices
April 8, 2023
A matrix is a set of numbers arranged in rows and columns forming a rectangular array. Matrices is the plural form of matrix.
Addition and subtraction of matrices
April 8, 2023
Addition and subtraction of two matrices are only possible if their orders are same. The resulting matrix will also have the same order.