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

User Nemke
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1 Answer

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A quadratic equation has the general formula expressed as:

ax^2 + bx - c = 0

This equation can be solved by the quadratic formula which is expressed as:

x = ( -b (+ or -) √(b^2 - 4ac) / 2a

From the given equation,

a = 1
b = -2
c = -3

These values are substituted to the formula in order to solve the equation.
User Roman Kolesnikov
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7.5k points
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