Select the quadratic equation that has no real solution. 2x² - 6x - 20 = 0, 2x² + 20x + 6 = 0, 2x² - 6x + 20 = 0, 2x² + 20x - 6 = 0
a) Solve the quadratic equations and identify the one with no real solution.
b) Explain the discriminant and its role in determining real solutions.
c) Discuss the graphical representation of quadratic equations.
d) Explore scenarios where quadratic equations model real-world problems.
