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Solve quadratic equations using various methods

Algebra • Solving equations and inequalities

Key concepts

What you'll likely be quizzed about

  • Factoring involves expressing the quadratic equation in the form (px + q)(rx + s) = 0.
  • To find factors, identify two numbers that multiply to give ac (the product of a and c) and add up to b.
  • Once factored, set each factor to zero to solve for x.
  • This method is effective when the equation can be rewritten easily.

Flashcards

Test your knowledge with interactive flashcards

What is the formula for the vertex of a parabola?

Click to reveal answer

The vertex is at x = -b/2a.

Key notes

Important points to keep in mind

Check if the quadratic can be factored easily.

Finding two numbers for factoring requires practice.

Completing the square is a systematic approach.

The quadratic formula is a universal method for solving quadratics.

Graphing gives visual insight into the solutions.

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