presleythill presleythill

13-05-2020
Mathematics

contestada

Find the number of real solutions of each equation using the discriminant.
1: x^2 + 25 = 0
2: x^2 - 11x + 28 = 0
3: x^2 + 8x + 16 = 0

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jonathone1978 jonathone1978

13-05-2020

Answer: 1: x^2 + 25 = 0 x=5

2: x^2 - 11x + 28 = 0 x=7 i think

3: x^2 + 8x + 16 = 0 x=-4

Step-by-step explanation:

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