Question

EXERCISE 2.4
1. What is a quadratic equation ? When are its two roots equal ?
[Hint. If 62
4ac, both roots are equal.]
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Answer 1

Answer:

is the right answer 65

Explanation:

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Answer 2

Explanation:

A quadratic equation is a polynomial equation in a single variable where the highest exponent of the variable is 2. There are three main ways to solve quadratic equations: 1) to factor the quadratic equation if you can do so, 2) to use the quadratic formula, or 3) to complete the square.