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Sonja [21]
3 years ago
8

What are the solution(s) to the quadratic equation x2 - 25 = 0?

Mathematics
1 answer:
FromTheMoon [43]3 years ago
7 0

Answer:

A

Step-by-step explanation:

Given

x² - 25 = 0 ( add 25 to both sides )

x² = 25 ( take the square root of both sides )

x = ± \sqrt{25} = ± 5

Solutions are x = 5 and x = - 5

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Answer:

f = 26

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Step-by-step explanation:

as far as what i can see, the first given angle is 112 and the second angle is 42.

These two angles are the angles on one straightline, therefore the missing angle will be 180 - 112 - 42 = 26 (Supplementary angle). This angle is not required and it is the missing angle on the left hand side. However, this angle should be equal to that of f (Opposite angle).

By the same way, d and e are the two opposite angles for 112 and 42, respectively.

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Step-by-step explanation:

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