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ruslelena [56]
3 years ago
5

5. x2 +5x-4 Discriminate

Mathematics
1 answer:
ikadub [295]3 years ago
6 0

Answer:

<em>D = 41</em>

Step-by-step explanation:

y = ax² + bx + c

The discriminant D = b² - 4ac tells the types of roots the equation has.

If D < 0 , then quadratic equation has no real roots, has two imaginary roots.

If D = 0 , then quadratic equation has one real root.

If D > 0 , then quadratic equation has two distinct real roots.

~~~~~~~~~~~~

x² + 5x - 4

a = 1, b = 5, c = - 4

<em>D </em>= 5² - 4(1)(- 4) = 25 + 16 =<em> 41</em>

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