Module-1 Algebra Quadratic Equations Worksheet With Answers
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14MODULE -
1
Quadratic Equations
Algebra
6
Notes
QUADRATIC EQUATIONS
In this lesson, you will study about quadratic equations. You will learn to identify quadratic
equations from a collection of given equations and write them in standard form. You will
also learn to solve quadratic equations and translate and solve word problems using quadratic
equations.
OBJECTIVES
After studying this lesson, you will be able to
•
identify a quadratic equation from a given collection of equations;
•
write quadratic equations in standard form;
•
solve quadratic equations by (i) factorization and (ii) using the quadratic formula;
•
solve word problems using quadratic equations.
EXPECTED BACKGROUND KNOWLEDGE
•
Polynomials
•
Zeroes of a polynomial
•
Linear equations and their solutions
•
Factorisation of a polynomial
6.1 QUADRATIC EQUATIONS
You are already familiar with a polynomial of degree two. A polynomial of degree two is
called a quadratic polynomial. When a quadratic polynomial is equated to zero, it is called
a quadratic equation. In this lesson, you will learn about quadratic equations in one
variable only. Let us consider some examples to identify a quadratic equation from a
collection of equations
170
Mathematics Secondary Course
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