avanelson01 avanelson01

01-07-2021
Mathematics

contestada

What are the solutions of the quadratic equation 49x2 = 9?

A. x = 1/9 and x = -1/9
B. x = 3/7 and x = -3/7
C. x = 3/4 and x = -3/4
D. x = 9/49 and x = -9/49

Brainliest if you explain how. got stumped on this one

Respuesta :

kushm6652 kushm6652

01-07-2021

Answer:

B

Step-by-step explanation:

49x^2=9

solve for x

x^2= 9/49

x=± [tex]\sqrt{9/49\\}[/tex]

which is x = ±3/7 (B)

Answer Link

amcd0651 amcd0651

21-07-2021

Answer: b x=1/9 and x=-1/9

Step-by-step explanation:

Answer Link

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