Quadratic Equations Flashcards

1
Q

General form of a Quadratic Equation

A

ax^2 + bx + c

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2
Q

Zeroes or Roots of a Quadratic Equation.

A

x = α is a solution of
the quadratic equation, or that α satisfies the quadratic equation. When α is put in place of x, and the equation sums up to ‘zero’ then α is the root (or zero) of the quadratic equation.

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3
Q

A quadratic equation can be solved by using?

A

Splitting the Middle Term.

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4
Q

Quadratic formula

A

(-b ± sqrt b^2 - 4ac)/2a

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5
Q

if b^2 - 4ac is > 0

A

Then the equation has two real roots.

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6
Q

if b^2 - 4ac is = 0

A

Then the equation has two equal roots.

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7
Q

if b^2 - 4ac is < 0

A

Then the equation has two imaginary roots.

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