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Quarter 1 Module 3 Lesson 1 and 2

Quiz by Michelle Catalan

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

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20 questions
Show answers
  • Q1
    60s
    M9AL-Ic-1
  • Q2
    60s
  • Q3
    60s
  • Q4

    4.Find p so that px2 + 12x +36 =0 has one real root. 

    p=1

    p = 4

    p = 8

    p=2

    300s
  • Q5

    5. Describe the discriminant and nature of the roots of 2x2+5x +3 = 2

    The discriminant is equal to 0, the roots are equal and real.

    The discriminant is greater than 0 and is not a perfect square, the roots are real and irrational.

    The discriminant is greater than 0 and is perfect square, the two roots are real and rational.

    The discriminant is less than 0, the roots are non-real.

    60s
  • Q6

    6. Determine the value of the discriminant of x2- 5x +6 =0 

    1

    36

    16

    25

    300s
  • Q7

    7. Determine the value of the discriminant of 2x2+  5x +1 =0 

    14

    17

    15

    16

    300s
  • Q8

    8. Determine the value of the discriminant of x2-  5x +8 =0 

    7

    -7

    44

    49

    60s
  • Q9

    9. Determine the characteristics of the roots of 9x2-6x + 1= 0 

    Two real roots and rational

    Two real roots and irrational

    one real root

    No real root

    300s
  • Q10

    10. Determine the characteristics of the roots of x2-6x + 9= 0 

    Two real roots and irrational

    No real root

    Two real roots and rational

    one real root

    300s
  • Q11

    11. The product of the roots of a quadratic equation is equal to the constant term, divided by the leading coefficient.

    Always True

    Never True

    Sometimes True

    Often True

    30s
  • Q12

    12. The product of the roots of a quadratic equation is equal to the negation of the coefficient of the second term, divided by the leading coefficient.

    Sometimes True

    Always True

    Never True

    Often True

    30s
  • Q13

    13.The product of the roots of a quadratic equation ax2+bx +c = 0 is ________ 

    -\frac{c}{a}

    \frac{b}{c}

    \frac{c}{a}

    \frac{b}{a}

    300s
  • Q14

    14.The sum of the roots of a quadratic equation ax2+bx +c = 0 is ________ 

    \frac{b}{a}

    \frac{b}{c}

    - \frac{b}{a}

    \frac{c}{a}

    300s
  • Q15

    15. Which equation has roots whose sum is -17 and whose product is 60?

    x2+ 17x +60 =0

    x2 - 60 x +17 =0

    x2+ 17x - 60 =0

    x2   + 60 x -17 =0

    300s

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