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8.

Find the number of real number solutions for the equation. x2 – 10x + 25 = 0

A. 0
B. 1
C. 2
D. cannot be determined

1 Answer

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Answer:

B. 1

Explanation:

Answer:

Option B is correct

The number of real number solutions for the given equation is, 1.

Explanation:

Given the equation:

Since, this is a quadratic equation of the form of

where a =1 , b = -10 and c =25.

The discriminant of a quadratic equation is,

then;

Discriminant = = (100-100) = 0

Since, a discriminant of zero means there is only one real solution for x.

Substitute the given values.

Simplify:

x = 5

Therefore, the number of real solution for the given equation is, 1

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User Jonathan Giddy
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