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tangare [24]
3 years ago
8

Which are the roots of the quadratic function f(q) = q2 – 125? Check all that apply.

Mathematics
2 answers:
s344n2d4d5 [400]3 years ago
7 0
F(q)=0
so, q^2 - 125 = 0
(q)^2 - (5)^2 = 0
(q+5) (q-5) = 0
q = 5, -5
lidiya [134]3 years ago
7 0

Answer:

q = 5√5 and q = -5√5

Step-by-step explanation:

Here, the given quadratic function,

f(q)=q^2-125

For finding the roots,

f(q)=0

\implies q^2-125=0

Adding 125 on both sides,

q^2=125              

\implies q=\pm \sqrt{125}=\pm 5\sqrt{5}

\implies q=5\sqrt{5}\text{ or } q=-5\sqrt{5}

Hence, the roots of the given quadratic equation are,

q = 5√5 and q = -5√5

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