lizchavezmunden lizchavezmunden

11-01-2021
Mathematics

contestada

What is the solution(s) to the equation 5a2 - 44 = 81?
A
+25
B
-5
55
D
1125

Respuesta :

jcherry99 jcherry99

11-01-2021

Answer:

B

Step-by-step explanation:

5a^2 - 44 = 81 Add 44 to both sides

5a^2 = 81 + 44 Collect like terms

5a^2 = 125 Divide both sides by 5

a^2 = 125/5

a^2 = 25 Take the square root of both sides

√a^2 = √25

a = +5

a = -5

The answer is B

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