Chapter 3 Test

Solve the equation: $$w^2 + 7w + 49 = 81$$

What type of line would you draw for the inequality: $$y \ge x^2 + 5x - 2$$ ?

Solve the equation using the quadratic formula: $$x^2 + 4x = -13$$

When you see this inequality $$\le, \ge$$ , what type of dot do you use?

Solve the inequality algebraically using the quadratic formula: $$x^2 - 2x < 9$$

What is the quadratic formula?

Define a quadratic equation.

What does it mean if a quadratic equation has complex solutions?

What is the vertex of a parabola given by the equation $$y = ax^2 + bx + c$$ ?

What is the significance of the discriminant in a quadratic equation?