How is a quadratic formula used to solve a quadratic equation?

x=(-b^2+or- the square root of 4+ac)/2

Step-by-step explanation:

I think

The quadratic formula helps us solve any quadratic equation.

Step-by-step explanation:

First, we bring the equation to the form ax²+bx+c=0, where a, b, and c are coefficients. Then, we plug these coefficients in the formula: (-b±√(b²-4ac))/(2a) . See examples of using the formula to solve a variety of equations.

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answer: procent 54 wynosi 33,33%

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2