- Solve the quadratic equation \(x^2 + 6x + 9 = 0\). - Factorize and solve \(2x^2 - 4x - 6 = 0\). - Complete the square for the quadratic expression \(x^2 + 4x + 7\). (x+2)^2+3 - Use the completed square form to find the minimum value of the function \(f(x) = x^2 - 6x + 5\). - Solve the quadratic equation \(3x^2 - 2x - 8 = 0\) using the quadratic formula. - Find the roots of the equation \(4x^2 + 12x + 9 = 0\) using the quadratic formula. - Solve the system of equations: y = 2x + 3 y = x^2 + x - 1 - Solve the simultaneous equations: 2x + y = 4 x^2 - y = 1 - Solve the equation \(x^4 - 5x^2 + 6 = 0\). - Find the roots of the polynomial \(x^3 - 3x^2 - 4x + 12 = 0\) by reducing it to a quadratic equation. - Find the maximum or minimum value of \(f(x) = -2x^2 + 4x - 1\). - Determine the vertex of the parabola \(y = x^2 - 8x + 16\). - Solve the inequality \(x^2 - 4x + 3 < 0\). - Determine the range of values for \(x\) such that \(2x^2 - 5x + 2 \leq 0\). - Determine the number of real roots of the equation \(x^2 + 4x + 4 = 0\) using the discriminant. - Find the discriminant of \(3x^2 - 2x + 5 = 0\) and determine the nature of the roots. - Find the points of intersection between the line \(y = x + 1\) and the parabola \(y = x^2 + x\). - Determine if the line \(y = 2x + 3\) intersects the curve \(y = x^2 - 4x + 4\).