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quadratic equation in discrete maths. 3 times 4 12 and 3 4 7 so a and b are equal to 3 and 4. The proof is done using the standard form of a quadratic equation and solving the standard form by completing the square.
The degree of the equation 2 the exponent on x makes the equation quadratic. A quadratic equation can be written in the form. Ax² bx c 0.
2x 2 5x 3 0.
Start with the the standard form of a quadratic equation. A quadratic function has an x² term its general form is. The Algebra 1 course often taught in the 9th grade covers Linear equations inequalities functions and graphs. An equation where the highest exponent of the variable usually x is a square 2So it will have something like x 2 But not x 3 etc.