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QUADRATIC FUNCTION ( TRANSFORMATION)

QuizΒ by gemma bandoquillo

Grade 9
Mathematics
Philippines Curriculum: Grades 1-10

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10 questions
Show answers
  • Q1

    1. Which is the standard form of 𝑓(π‘₯)= π‘₯Β²+ 6π‘₯+ 8?

    𝑓(π‘₯) = (π‘₯ βˆ’ 3) Β² βˆ’1

    𝑓(π‘₯) = (π‘₯+ 3)Β² βˆ’ 1

    𝑓(π‘₯) = (π‘₯+ 3)Β² + 1

    𝑓(π‘₯) = (π‘₯ βˆ’ 3) Β² +1

    30s
    M9AL-Ih-1
  • Q2

    Β 2. What is the value of h and k in item number 1?

    h =-3, k = 1

    h =3, k = 1 Β Β Β Β Β Β Β Β 

    h =3, k = -1 Β Β Β Β Β Β Β 

    C. h = -3, k = -1

    30s
    M9AL-Ih-1
  • Q3

    3. In changing 𝑓(π‘₯) = π‘₯Β²+ 10π‘₯+ 1 to standard form, what is the value of ___in

     𝑓(π‘₯)= (π‘₯Β²+ 10π‘₯+ ___) + 1 βˆ’ 25?

    -25

    10

    25

    -10

    30s
    M9AL-Ih-1
  • Q4

    Β 4. What is 𝑓(π‘₯)= βˆ’π‘₯Β²+ 2π‘₯βˆ’ 5 in standard form?

    𝑓(π‘₯) = βˆ’(π‘₯+ 1) Β²+ 4

    𝑓(π‘₯) =βˆ’(π‘₯ +1) Β² βˆ’ 4

    𝑓(π‘₯) = βˆ’(π‘₯ βˆ’ 1) Β² +4

    𝑓(π‘₯) = βˆ’(π‘₯ βˆ’ 1) Β² βˆ’4

    30s
    M9AL-Ih-1
  • Q5

    5. Which is equivalent to 𝑓(π‘₯) =βˆ’2π‘₯Β²βˆ’ 4π‘₯βˆ’ 2?

    𝑓(π‘₯) = βˆ’2(π‘₯+ 1) Β²

    𝑓(π‘₯) = (π‘₯ βˆ’ 1) Β²

    𝑓(π‘₯) = βˆ’2(π‘₯ βˆ’ 1) Β²

    𝑓(π‘₯) = (π‘₯+ 2) Β²

    30s
    M9AL-Ih-1
  • Q6

    6. Find the vertex of 𝑓(π‘₯) = 2π‘₯Β²βˆ’ 5?

    (0, 5)

    (2,-5)

    (0, -5)

    (2,5)Β Β Β Β Β 

    30s
    M9AL-Ih-1
  • Q7

    7. Which is equivalent to 𝑓(π‘₯) =βˆ’2(π‘₯βˆ’ 2) Β²βˆ’ 3?

    𝑓(π‘₯) = βˆ’2π‘₯Β²+ 8π‘₯+ 11

    𝑓(π‘₯) = βˆ’2π‘₯ Β² βˆ’8π‘₯ βˆ’11

    𝑓(π‘₯) = βˆ’2π‘₯ Β² +8π‘₯ βˆ’11

    𝑓(π‘₯) = βˆ’2π‘₯Β²βˆ’ 8π‘₯+ 11

    30s
    M9AL-Ih-1
  • Q8
    30s
    M9AL-Ih-1
  • Q9

    Β 9. Transform 𝑓(π‘₯)= (π‘₯βˆ’ Β½)2Β βˆ’ β…“ to general form?

    𝑓(π‘₯) = π‘₯ Β² + π‘₯ βˆ’\frac{1}{12}

    𝑓(π‘₯) = π‘₯ Β² βˆ’ π‘₯ +\frac{1}{12}Β  Β  Β 

    𝑓(π‘₯) = π‘₯Β²βˆ’ π‘₯βˆ’ \frac{1}{12}

    𝑓(π‘₯) = π‘₯Β²+ π‘₯+ \frac{1}{12}

    30s
    M9AL-Ih-1
  • Q10

    10. What is the vertex of 𝑓(π‘₯) = (π‘₯βˆ’ Β½)2Β βˆ’ β…“?

    (βˆ’ Β½, βˆ’ β…“)

    (Β½, βˆ’ β…“)

    (βˆ’ Β½, β…“)

    (Β½, β…“)

    30s
    M9AL-Ih-1

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