Exam 9: Quadratic Equations

The lengths of all three sides of an equilateral triangle are 8 feet. Find the height of the triangle.

Divide the complex numbers.

Solve the equation by completing the square.

Combine the complex numbers.

Solve the equation by completing the square.

Solve the equation by completing the square.

Solve the equation.

Solve the equation.

Give the correct final term for the following expression to ensure that the resulting trinomial is a perfect square trinomial.

Multiply complex numbers.

Solve the equation by completing the square.

Multiply the complex numbers.

Divide the complex numbers.

Multiply the complex numbers.

Solve the equation by completing the square.

Graph the equation.

Solve the equation.

Solve the equation by first factoring out the common factor and then using the quadratic formula.

Divide the complex numbers.

Divide the complex numbers.