To write a PHP program that finds the real solutions of a quadratic equation Ax2 + Bx + C = 0, we need to implement a function that calculates the discriminant, = B2 - 4AC. Based on the v

To write a PHP program that finds the real solutions of a quadratic equation Ax^2 + Bx + C = 0, we need to implement a function that calculates the discriminant, = B^2 - 4AC. Based on the value of the discriminant, we determine the nature of the solutions: If < 0: There are no real solutions. If = 0: There is exactly one real solution, x = (-B)/(2A). If > 0: There are two distinct real solutions, x_1 = -B + sqrt()2A and x_2 = -B - sqrt()2A. The program also needs to handle the case where A=0, as the equation would no longer be quadratic. `php <?php /** Solves a quadratic equation of the form Ax^2 + Bx + C = 0 and prints its real solutions. @param float a The coefficient of x^2. @param float b The coefficient of x. @param float c The constant term. */ function solveQuadratic(a, b, c) // Step 1: Check if 'a' is zero. If so, it's not a quadratic equation. if (a == 0) echo "Error: The coefficient 'a' cannot be zero for a quadratic equation."; return; echo "For the quadratic equation " . a . "x^2 + " . b . "x + " . c . " = 0:"; // Step 2: Calculate the discriminant. discriminant = (b b) - (4 a * c); // Step 3: Determine solutions based on the discriminant's value. if (discriminant < 0) echo "The discriminant (B^2 - 4AC) is " . discriminant . ", which is negative."; echo "Therefore, there are no real solutions to the equation."; else if (discriminant == 0) // One real solution x = -b / (2 * a); echo "The discriminant (B^2 - 4AC) is " . discriminant . "."; echo "The quadratic equation has one real solution: x = " . x . ""; else // discriminant > 0 // Two distinct real solutions x1 = (-b + sqrt(discriminant)) / (2 * a); x2 = (-b - sqrt(discriminant)) / (2 * a); echo "The discriminant (B^2 - 4AC) is " . discriminant . "."; echo "The quadratic equation has two distinct real solutions:"; echo "x1 = " . x1 . ""; echo "x2 = " . $x2 . ""; // Example Usage: // Test Case 1: Two distinct real solutions (x^2 - 5x + 6 = 0) echo "--- Test Case 1: x^2 - 5x + 6 = 0 ---"; solveQuadratic(1, -5, 6); echo ""; // Test Case 2: One real solution (x^2 + 4x + 4 = 0) echo "--- Test Case 2: x^2 + 4x + 4 = 0 ---"; solveQuadratic(1, 4, 4); echo ""; // Test Case 3: No real solutions (x^2 + x + 1 = 0) echo "--- Test Case 3: x^2 + x + 1 = 0 ---"; solveQuadratic(1, 1, 1); echo ""; // Test Case 4: Coefficient 'a' is zero (not a quadratic equation) echo "--- Test Case 4: 0x^2 + 2x + 4 = 0 ---"; solveQuadratic(0, 2, 4); echo ""; ?> ` <br/> Send me the next one 📸