Question

In the quadratic equation,why can "a" not be equal to zero?​

Answer 1

Step-by-step explanation:

The Principle of Zero Products states that if the product of two numbers is 0, then at least one of the factors is 0. (This is not really new.) If ab = 0, then either a = 0 or b = 0, or both a and b are 0. This property may seem fairly obvious, but it has big implications for solving quadratic equations.

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Answer 2

Because a is the coefficient of x^2.

If (a) became zero then the equation not remain quadratic.