  MATH 9 Quarter 1 Quadratic Functions

Quiz by Honeylette Divine Luna

Mathematics

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Correct quiz answers unlock more play!  15 questions
• Q1

Which quadratic function is written in general form?

𝑓(𝑥) = 4 − 2𝑥2

𝑓(𝑥) = 2𝑥2 − 6𝑥 + 1

𝑓(𝑥) = 5 + 3𝑥 − 9𝑥2

𝑓(𝑥) =  7𝑥 − 𝑥2

20s
M9AL-Ig-3
• Q2

What is the general form of a quadratic function?

𝑓(𝑥) = 𝑎𝑥3 + 𝑏𝑥 + c

𝑓(𝑥) = 𝑎𝑥 + 𝑏𝑥 + c

multiplem://𝑓(𝑥) = 𝑎𝑥2 + 𝑏𝑥 + c:𝑦 = 𝑎𝑥2 + 𝑏𝑥 + c

20s
M9AL-Ig-3
• Q3

Which is the graph of a quadratic function?    20s
M9AL-Ig-3
• Q4

It is a function of degree 2 that is written in general form:𝑦 = 𝑎𝑥2 + 𝑏𝑥 + c.

45s
M9AL-Ig-2
• Q5

Arrange the jumbled words to form  a correct sentence.

jumble://A, ball, is, thrown, vertically , upward

45s
M9AL-Ig-2
• Q6

In the function 𝑓(𝑥) = 2𝑥2 − 𝑥 + 5, 𝑎 = 2 , 𝑏 =1, and 𝑐 =5.

boolean://false

20s
M9AL-Ig-3
• Q7

Sort the following Quadratic Functions into its equivalent form.

sorting://𝑓(𝑥) =ax+ bx + c|𝑓(𝑥) =2𝑥2+4𝑥+2,𝑓(𝑥) =−𝑥2+4𝑥−3:𝑓(𝑥) =a(x - h)+ k|𝑓(𝑥) =2(𝑥+1)2, 𝑓(𝑥) =-(𝑥+2)+16

30s
M9AL-Ih-1
• Q8

Match the quadratic functions into its standard form(vertex form).

60s
M9AL-Ih-1
• Q9

Arrange in order the steps of Graphing a Quadratic Function.

ordering://rewrite the quadratic function into vertex form|1:complete the table of values|2:plot the points|3:sketch the graph|4

30s
M9AL-Ig-h-i-1
• Q10

What is the U-shaped graph of a quadratic function called?

freetext://parabola

30s
M9AL-Ig-h-i-1
• Q11

What is the domain of the quadratic function y= - x2 + 8x -12?

freetextm://set of real numbers:elements of real numbers:{𝑥/𝑥𝜖R}:x such that x is an element of real numbers:{x/xER}:x is an element of real numbers:an element of real numbers

30s
M9AL-Ig-h-i-1
• Q12

videoq:5-9KY1TYOgk: 10:95//Which of the following quadratic functions describe the equation of a parent function?

y = x2 + 4

y=x 2

y = 5x

y = -3x

20s
M9AL-Ii-2
• Q13

What is the minimum or maximum point of a quadratic function?

freetext://vertex

30s
M9AL-Ig-h-i-1
• Q14

Sort the graph of quadratic functions according to their opening.