3 years ago

42. Use the Quadratic Equation to find the Roots of x2 + 3x - 3=0

Mathematics

1 answer:

almond37 [142]3 years ago

8 0

Answer:

Step-by-step explanation:

The coefficients of the x terms are {1, 3, -3}, so the discriminant, b^2 - 4ac, is 3^2 - 4(1)(-3), or 9 + 12, or 21. The positive nature of the discriminant tells us that there are two real, unequal roots. Following the quadratic formula, we get:

-3 ± √21

x = -----------------

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