Quadratic Function Quiz

Which of the following is NOT a quadratic function?

Scenario: A soccer ball was kicked up in the air 3 meters with a velocity of 15 meters per second. The height h (in meters) of the soccer ball after t seconds can be modeled by the quadratic function:

h(t) = -5t² + 15t + 3

Question: What is the maximum height reached by the ball? SHOW ALL WORK

Consider the equation 2x² - 4x - 6. Choose the most appropriate method to solve this equation and solve it for x. Then, explain why you chose the method.

Solve the quadratic equation x² - 5x + 6 = 0 using the factoring method. SHOW ALL WORK

Solve the quadratic equation by x² + 6x + 5 = 0 by completing the square. Which of the following are the solutions?

Solve the quadratic equation 3x² - 2x - 8 = 0 using the quadratic formula. Which of the following solutions are correct?

The (a)   can be defined as the part in the parabola that defines the parabola into two symmetrical parts.

What equation is used to find the vertex?

Explain how you would find the discriminant of the quadratic equation 3x² + 5x -2.

Graph the following quadratic equation y = x² - 4x + 3 and draw a parabola. Write out your solutions, y-intercept, and axis of symmetry.