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Rhett is solving the quadratic equation 0= x2 – 2x – 3 using the quadratic formula. Show the correct substitution of the values a, b, and c into the quadratic formula?

Answer :

Lampa20
Formula for solving (finding x intercepts) quadratic equation is:

[tex]x = \frac{-b +- \sqrt{b^2 - 4ac} }{2a} [/tex]

Quadriatic equation we can write as:
ax^2 + bx + c = 0
comparing this with given equation we can see that:
a = 1
b = -2
c = -3
if we express this in formula for solving equation we get

[tex]x = \frac{-(-2) +- \sqrt{(-2)^2 - 4*1*(-3)} }{2*1} [/tex]
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Answer:

A. Is The Answer

Step-by-step explanation:

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