(Grade 11) Section 3.2 - Standard And Facotred Form
5 Questions
| Total Attempts: 188
Complete the following questions
Questions and Answers
- 1.Which shows the quadratic function expressed in factored form? f(x) = 2x2 + 9x – 5
- A.
(2x + 5)(x – 1)
- B.
(2x – 1)(x + 5)
- C.
(2x + 1)(x + 5)
- D.
(2x – 1)(x – 5)
- 2.The height of a crab h(t) in metres, dropped by a seagull to the rocks below is given by the function h(t) = –5t2 + 20, where t is the time, in seconds, after it is released. What are the zeros of the function?
- A.
(–5, 0) and (20, 0)
- B.
(2, 0) and (0, 0)
- C.
(–2, 0) and (20, 0)
- D.
(–5, 0) and (4, 0)
- 3.What is the axis of symmetry for the function –x2 + 7x + 30
- A.
X = –3
- B.
X = 3.5
- C.
X = 6.5
- D.
X = 10
- 4.
![A volleyball is hit straight upward. The graph shows its height, h(t), in metres, at time t. Which is the function in factored form that estimates the height of the volleyball at any given time? - ProProfs]( "A volleyball is hit straight upward. The graph shows its height, h(t), in metres, at time t. Which is the function in factored form that estimates the height of the volleyball at any given time?")
A volleyball is hit straight upward. The graph shows its height, h(t), in metres, at time t. Which is the function in factored form that estimates the height of the volleyball at any given time?- A.
X(x – 2)
- B.
–5x(x + 2)
- C.
–5(x – 2)
- D.
–5x(x – 2)
- 5.What is the y–intercept of the quadratic function f(x) = (2x + 4)(x – 3)?
- A.
(0, –12)
- B.
(0, 3)
- C.
(0, –2)
- D.
(0, 12)
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