Quadratic Formula Quiz

What is the first step in solving a quadratic equation using the quadratic formula?

• Factor the equation

• Convert the equation to standard form

• Graph the equation

• Directly substitute values into the formula

In the quadratic formula, what does 'b' represent?

• The coefficient of x^2

• The constant term

• The coefficient of x

• The solution to the equation

What is the value of 'a' in the equation 2x^2 + 9x + 4 = 0?

• 0

• 2

• 9

• 4

After substituting into the quadratic formula, what is the expression under the square root called?

• The coefficient

• The constant

• The discriminant

• The solution

What are the solutions to the equation 2x^2 + 9x + 4 = 0?

• x = 4 and x = 12

• x = -4 and x = -0.5

• x = 4 and x = 0.5

• x = -4 and x = -12