Respuesta :
Answer:
B: Take the square root of both sides of the equation
Step-by-step explanation:
The person above me was right but I guess they forgot to put in the answer at the top.
Anyways I hope this helps and have a great day!
P.S: Sorry I am late.
The missing reason in the portion of the quadratic proof given is; Subtract c from both sides of the equation.
Quadratic proof
The quadratic proof leads to the formation of the quadratic formula for determining the zeros of a quadratic equation.
The given statements are as follows;
ax² + bx + c = 0
ax² + bx = −c
From observation, we can notice that c was subtracted from both sides of the equation.
Read more on quadratic proof;
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