Solve using the quadratic formula.4n2+9n+5=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+9n+5=0Write your answers as integers, proper or improper fractions in simplest form, or decimals rounded to the nearest hundredth.n=_____ or n=_____
Write Quadratic Formula: Write down the quadratic formula.The quadratic formula is used to solve for the roots of a quadratic equationax2+bx+c=0. The formula is given by:n=2a−b±b2−4ac
Identify Coefficients: Identify the coefficients a, b, and c from the quadratic equation.For the equation 4n2+9n+5=0, the coefficients are:a=4, b=9, and c=5.
Substitute into Formula: Substitute the coefficients into the quadratic formula.n=2(4)−(9)±(9)2−4(4)(5)
Simplify Discriminant: Simplify the expression under the square root (the discriminant). n=8−9±81−80
Further Simplify: Further simplify the expression. n=8−9±1
Calculate Possible Values: Calculate the two possible values for n.n=8−9+1 or n=8−9−1n=8−8 or n=8−10
Simplify Final Solutions: Simplify the fractions to get the final solutions. n=−1 or n=−810n=−1 or n=−45
More problems from Solve a quadratic equation using the quadratic formula