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Basic and Complex Quiz in Math 9

Quiz by Criselda M. Caragay

Grade 9
Mathematics
Philippines Curriculum: Grades K-10 (MELC)

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15 questions
Show answers
  • Q1

    videoq:wJAQORezGv0:68.40//What is the standard form of 3x(x+4) = -6?  

    3x2 - 12x + 6 = 0

    3x2 + 12x + 6 = 0

    3x2 - 12x - 6 = 0

    3x2 + 12x - 6 = 0

    30s
  • Q2

    A  mathematical sentence of degree 2 that can be written in the following standard form. 𝑎𝑥2 + 𝑏𝑥 + 𝑐 = 0, where 𝑎, 𝑏, and 𝑐 are real numbers and 𝑎 ≠ 0.

    freetext://Quadratic Equation

    30s
  • Q3

    Match the following quadratic equations equations to the correct values of a, b, c.

    Question Image

    linking://Quadratic Equation|#cba10d4c-d258-48fc-a7d8-c908417b57b7/question/7002f4c53247d6a84da8089ad48dffb5e13be01d.JPG:Standard Form|#cba10d4c-d258-48fc-a7d8-c908417b57b7/question/16f86c410aecaa4ab9b6a4bd18874fd42697d316.JPG:Values of a, b and c|#cba10d4c-d258-48fc-a7d8-c908417b57b7/question/86b7be701db49ad34c65ecd190b2f84785d02d77.JPG

    30s
    M9AL-Ia-1
  • Q4

    Identify if the following are quadratic equations or not.

    Question Image

    sorting://Quadratic Equation|#cba10d4c-d258-48fc-a7d8-c908417b57b7/question/b5e73310db34a840527b495f8f028f1f746982c3.JPG,#cba10d4c-d258-48fc-a7d8-c908417b57b7/question/f468b2f1ad8f0ffb024368683e6041480786827a.JPG,#cba10d4c-d258-48fc-a7d8-c908417b57b7/question/eff7a76bb3a6b323488949b97374898c4833a003.JPG:Quadratic Inequality|#cba10d4c-d258-48fc-a7d8-c908417b57b7/question/c34d62e59d01a0dfe4ad9faf15e865ab460137ee.JPG,#cba10d4c-d258-48fc-a7d8-c908417b57b7/question/17f70ec4459c902d775e7a9d322c4c2e099daea3.JPG,#cba10d4c-d258-48fc-a7d8-c908417b57b7/question/285e6fedc1b85799d26348802c46fb65d65e562f.JPG

    30s
    M9AL-If-1
  • Q5

    What is the value of a, b, and c for the quadratic equation (𝑥 − 6)(𝑥 + 5) = 0?

    ordering://a|1:b|-1:c|-30

    30s
    M9AL-Ia-1
  • Q6

    Match the correct term.

    linking://quadratic term|ax2:linear term|bx:constant term|c

    30s
    M9AL-Ia-1
  • Q7

    When 𝑏 = 0 in the equation 𝑎𝑥2 + 𝑏𝑥 + 𝑐 = 0, it results to a quadratic equation of the form ______.

    freetext://𝑎𝑥2 + 𝑐 = 0.

    30s
    M9AL-Ia-1
  • Q8

    What are the different methods in solving quadratic equations?

    freetextm://factoring: extracting the square roots: completing the square: quadratic formula

    30s
    M9AL-Ia-b-1
  • Q9

    Determine which of the following are quadratic equations.

    sorting://Quadratic Equation|12 − 𝑡2 = 13, (𝑥 − 1)2 = 0,4𝑦(𝑦 + 3) = −2, (𝑥 − 5)(𝑥 + 2) = 12:Not Quadratic Equation|\frac{1}{3}(n + 2) = 0, 5𝑥 + 2 = 11

    30s
    M9AL-Ia-1
  • Q10

    A quadratic equation is incomplete if either the coefficient b or c is equal to zero.

    boolean://true

    30s
    M9AL-Ia-1
  • Q11

    Arrange the jumbled words to form a correct sentence.

    jumble://Quadratic,equation,is,an,equation,of,the,form,a𝑥2+bx+c=0.

    30s
    M9AL-Ia-1
  • Q12

    A mathematical sentence of degree 2 that can be written in the following standard form. 𝑎𝑥2 + 𝑏𝑥 + 𝑐 = 0, where 𝑎, 𝑏, and 𝑐 are real numbers and 𝑎 ≠ 0

    scrambled://QUADRATICEQUATION

    30s
    M9AL-Ia-1
  • Q13

    Which of the following illustrates quadratic equation?

    𝑥 (𝑥 + 2)

    𝑥2 + 1 = (𝑥 + 3)2

    12 - 4x = 0

    25 − x2 = 4x

    30s
    M9AL-Ia-1
  • Q14

    The following are the values of a, b, and c that Edgardo, Alfredo, Juancho, and Rodolfo got when they expressed 2 − 3𝑥 = 5𝑥2 in standard form.

    Edgardo : 𝑎 = −5, 𝑏 = 3, 𝑐 = −2

    Alfredo : 𝑎 = 5, 𝑏 = 3, 𝑐 = −2

    Juancho : 𝑎 = 5, 𝑏 = −3,  𝑐 = −2

    Rodolfo : 𝑎 = −5, 𝑏 = −3, 𝑐 = 2

    multiplem://Alfredo:Rodolfo

    30s
    M9AL-Ia-1
  • Q15

    If the length is 3x + 2 and the width is x + 4. What is the area of the rectangle?

    Question Image

    3x2 - 6x - 9

    3x2 + 6x + 9

    3x2 - 6x + 9

    3x2 + 6x - 9

    30s
    M9AL-Ia-1

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