Questions: Consider the following quadratic equation:
4 y^2 - 4 y = -1
Step 1 of 2: Find the values of a, b, and c that should be used in the quadratic formula to determine the solution of the quadratic equation.
Transcript text: Consider the following quadratic equation:
\[
4 y^{2}-4 y=-1
\]
Step 1 of 2: Find the values of $a, b$, and $c$ that should be used in the quadratic formula to determine the solution of the quadratic equation.
Solution
Solution Steps
Step 1: Identify the coefficients of the quadratic equation
The given quadratic equation is of the form \(ax^2 + bx + c = 0\), where \(a = 4\), \(b = -4\), and \(c = -1\).
Step 2: Calculate the discriminant
The discriminant (\(\Delta\)) of the quadratic equation is calculated as \(b^2 - 4ac\). For our equation, \(\Delta = -4^2 - 4_4_-1 = 32\).
Step 3: Determine the nature of the roots
Since the discriminant is positive (\(\Delta > 0\)), there are two distinct real roots.
Step 4: Calculate the roots using the quadratic formula
The roots of the quadratic equation can be found using the formula \(x = \frac{-b \pm \sqrt{\Delta}}{2a}\).
Substituting the values, we get the roots as \(x_1 = (1.21+0j)\) and \(x_2 = (-0.21+0j)\).
Final Answer:
The roots of the equation \(ax^2 + bx + c = 0\) are \(x_1 = (1.21+0j)\) and \(x_2 = (-0.21+0j)\).