Quadratic Quiz

What are the solutions to this graph?

• 0 and 2

• 0 and 1

• 1 and 2

• 0

Which of the following are the zeros of the equation y = 3x² + 24x + 36 ?

• -2, -6

• 2, 6

• 36 , 2

• 4 , -6

David threw a baseball into the air. The function of the height of the baseball in feet is h = 80𝑡 − 6𝑡² , where t represents the time in seconds after the ball was thrown. Use this graph of the function to determine how long it took for the ball to fall back to the ground.

• 2.5 seconds

• 0 seconds

• 90 seconds

• 5 seconds

What are the roots of the equation 2x²+12x+10

• 0, -5

• 2, 4

• 1, 5

• -1, -5

Ms Mitchell found a tennis ball in her backyard. She picked up the ball and threw it over the fence. The path of the ball can be represented by h = -16t²+ 18t + 5

Find the maximum height of the ball

• h = 120.54 ft

• h = 10.06 ft

• h = 16.5 ft

• h = 5 ft

What is the solution of the the following quadratic equation? 3x² + 75 = 30x

• 5

• 0

• 3

• -5

What is the vertex of the quadratic function, y = ( x - 3 )² - 4

• (0, 5)

• (3, -4)

• (4, -3)

• (0, -4)

What is the domain of the quadratic function f(x) = 5x² + 25x - 85 ?

• All real numbers

• ℝ

• All of the above

Identify the axis of symmetry of the following: y = 𝑥² – 7x + 5

• x = 2.75

• x = - 7.25

• x = 3.5

• x = 5

Describe the following transformation: y = (x + 5)² - 2

• Translated 5 units

  up and 2

  units to the right

• Translated 5 units

  down and 2

  units to the left

• Translated 2 units

  down and 5

  units to the left

• Translated 2 units

  up and 5

  units to the right