WorksheetsQuadratic Function part 1 math 9
Total questions: 10
Worksheet time: 50mins
Quadratic function is any function of the form: , where a, b and c are real numbers and ____________________.
A. a ǂ 0
B. a < 0
C. a = 0
D. a ≥ 0
The graph of a quadratic function is a smooth curve called
A. Line
B. Circle
C. V-Shape
D. Parabola
Which of the following is a quadratic function?
A. y - 4x = 2x2 + 5
B. 2x2 - 4x + 5 = 0
C. 2x + y = 5
D. y2 = 4x + 5
Which of the following table of values represent a quadratic function?
Which of the following graph describes a quadratic function 𝑦 = 𝑎𝑥2 + 𝑏𝑥 + 𝑐 with 𝑎 > 0?
Using the function form 𝑓(𝑥) = 𝑎𝑥2 + 𝑏𝑥 + 𝑐, which of the following are the values of a, b, and c of the function 𝑦 = 3 − 5𝑥2 + 4𝑥?
A. 𝑎 = 3 ,𝑏 = – 5 , 𝑐 = 4
B. 𝑎 = – 5 , 𝑏 = 3 , 𝑐 = 4
C. 𝑎 = – 5 , 𝑏 = 4 , 𝑐 = 3
D. 𝑎 = 4, 𝑏 = 3 , 𝑐 = – 5
Express 𝑓(𝑥) = −3(𝑥 + 1)2 + 4, in the form 𝑓(𝑥) = 𝑎𝑥2 + 𝑏𝑥 + 𝑐 ?
A. 𝑓(𝑥) = −3𝑥2 − 3𝑥 − 1
B. 𝑓(𝑥) = −3𝑥2 − 6𝑥 − 1
C. 𝑓(𝑥) = −3𝑥2 − 3𝑥 + 1
D.D. 𝑓(𝑥) = −3𝑥2 − 6𝑥 + 1
If 𝑓(𝑥) = (𝑥 + 2)2 − 5 is written in the form 𝑓(𝑥) = 𝑎𝑥2 + 𝑏𝑥 + 𝑐 , find a + b – c ?
A. 14
B. 6
C. 4
D. 0
What must be the value of n so that the term 𝑥1−𝑛 is of degree 2 ?
A. -2
B. -1
C. 0
D. 1
Which must be the value of (h, k) in the quadratic function 𝑦 = 2(𝑥 − 3) 2+ 4 ?
A) (–3, –4)
B) (–3, 4)
C) (3, –4)
D) (3, 4)
