When did the ball reach its maximum height? Choose the key feature and the answer.
mt-10 sb-10-Key Features of Quadraticsimg_no 2460.jpg
  • y-intercept, 3 secs
  • x-value of the vertex, 4 secs
  • y-value of the vertex, 5 secs
  • y-intercept, 0 secs
What was the maximum height of the ball? Choose the key feature and the answer choice.
mt-10 sb-10-Key Features of Quadraticsimg_no 2461.jpg
  • y-intercept, 3 feet
  • y-intercept, 0 feet
  • x-value of the vertex, 4 feet
  • y-value of the vertex, 5 feet
How high was the ball when it was thrown? Choose the key feature and the answer.
mt-10 sb-10-Key Features of Quadraticsimg_no 2462.jpg
  • y-intercept, 0 feet
  • y-intercept, 3 feet
  • x-value of the vertex, 4
  • y-value of the vertex 5
What was the height of the ball at 1 second?
mt-10 sb-10-Key Features of Quadraticsimg_no 2463.jpg
  • 3 feet
  • 4 feet
  • 5 feet
When did the water reach its maximum height? Choose the key feature and the answer.
mt-10 sb-10-Key Features of Quadraticsimg_no 2464.jpg
  • x-value of vertex, 2 seconds
  • y-value of vertex, 9 seconds
  • y-intercept, 0 seconds
  • x-intercept, 3.8 seconds
What was the maximum height of the water? Choose the key feature and the answer.
mt-10 sb-10-Key Features of Quadraticsimg_no 2465.jpg
  • y-intercept, 0 feet
  • x-value of the vertex, 2 feet
  • y-value of the vertex 10 feet
  • x-intercept. 3.85 feet
What was the height of the water at 3 seconds?
mt-10 sb-10-Key Features of Quadraticsimg_no 2466.jpg
  • 9 feet
  • 10 feet
  • 7 feet
  • 5 feet
Approximately how long did it take the water from the fountain to hit the pool below?
mt-10 sb-10-Key Features of Quadraticsimg_no 2467.jpg
  • about 1.85 second
  • about 2.85 seconds
  • about 3.85 seconds
  • about 4.85 seconds
Approximately when did the ball hit the ground?
mt-10 sb-10-Key Features of Quadraticsimg_no 2468.jpg
  • 3.25 seconds
  • 4.25 seconds
  • 8.25 seconds
  • 10.25 seconds
What key feature tells the initial height of the roller coaster?
mt-10 sb-10-Key Features of Quadraticsimg_no 2469.jpg
  • y-intercept
  • x-intercept
  • axis of symmetry
  • vertex
What was the approximate initial height of the roller coaster?
mt-10 sb-10-Key Features of Quadraticsimg_no 2470.jpg
  • 150
  • 120
  • 100
  • 50
What key feature tells the lowest point on the roller coaster?
mt-10 sb-10-Key Features of Quadraticsimg_no 2471.jpg
  • y-intercept
  • vertex
  • Axis of Symmetry
  • x-intercept
What is the approximate lowest height of the roller coaster?
mt-10 sb-10-Key Features of Quadraticsimg_no 2472.jpg
  • 120 feet
  • 3 feet
  • 25 feet
  • 170 feet
What was the height of the roller coaster at 6 seconds?
mt-10 sb-10-Key Features of Quadraticsimg_no 2473.jpg
  • 120 feet
  • 50 feet
  • 25 feet
  • 100 feet
What is the sign of the "a" value for this graph?
mt-10 sb-10-Key Features of Quadraticsimg_no 2474.jpg
  • positive
  • Negative
What is the sign of the "a" value for this graph
mt-10 sb-10-Key Features of Quadraticsimg_no 2475.jpg
  • negative
  • positive
Does this scenario have a max or a min?
mt-10 sb-10-Key Features of Quadraticsimg_no 2476.jpg
  • Max
  • Min
What is the equation for the axis of symmetry?
  • x = b / 2
  • x = 2a / -b
  • x = 2 / b
  • x = -b / 2a
How do I find the y-value of the vertex?
  • factor
  • x = -b / 2a gives you the y-value of the vertex
  • find x = -b / 2a and then plug in for x and solve for y.
  • find -b / 2a and then plug in for y and solve for x.
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