Solve using the quadratic formula.4n2+8n+4=0Write your answers as integers, proper or improper fractions in simplest form, or decimals rounded to the nearest hundredth.n=_____ or n=_____
Q. Solve using the quadratic formula.4n2+8n+4=0Write your answers as integers, proper or improper fractions in simplest form, or decimals rounded to the nearest hundredth.n=_____ or n=_____
Quadratic Formula: The quadratic formula is given by n=2a−b±b2−4ac, where a, b, and c are the coefficients of the terms in the quadratic equationax2+bx+c=0. In this case, a=4, b=8, and c=4.
Calculate Discriminant: First, calculate the discriminant, which is the part under the square root in the quadratic formula: b2−4ac. For our equation, the discriminant is (8)2−4(4)(4).
Discriminant Calculation: Perform the calculation: (8)2−4(4)(4)=64−64=0.
Simplified Formula: Since the discriminant is 0, there is only one real solution to the equation, and it is not necessary to calculate ±b2−4ac because the square root of 0 is 0. So, the formula simplifies to n=−b/(2a).
Substitute Values: Substitute the values of a and b into the simplified formula: n=−2×48.
Final Calculation: Perform the calculation: n=−8/8=−1.
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