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Math 9 Quiz 4

Quiz by Hannah Jean Rico

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

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10 questions
Show answers
  • Q1
    30s
    M9AL-If-1
  • Q2

    Which of the following mathematical sentences is a quadratic inequality in two variables?

    4c^2\ -c\ \le\ f\left(c\right)

    2t\ +\ t^2\

    5h\ +\ 4\ >\ 10

    2x\ -2\ \ge y

    30s
    M9AL-If-1
  • Q3

    The length of a rectangular garden is (L) meters more than its width (W), and its area is at most (A) m2 as represented by the graph below. Which inequality is represented by graph? 

    Question Image

    \left(w\right)\left(l+w\right)\le A

    \left(w\right)\left(l+w\right)

    \left(w\right)\left(l+w\right)\ge A

    \left(w\right)\left(l+w\right)>A

    30s
    M9AL-If-2
  • Q4

    Which of the following inequalities is described by the graph below? 

    Question Image

    f\left(x\right)\ >\ ax^2+bx+c

    f\left(x\right)\ \ge\ ax^2+bx+c

    f\left(x\right)\ <\ ax^2+bx+c

    f\left(x\right)\ \le\ ax^2+bx+c

    30s
    M9AL-If-1
  • Q5

    The following points are solutions of y+3 > 3x2 - 1, EXCEPT_______

    (-1, -1)

    (1,-1)

    (0,-4)

    (2,-2)

    30s
    M9AL-If-1
  • Q6

    The graph on the right represents g(x) <2x2  - 4x -1. Which of the following statements is TRUE about the solutions of the inequality?

    Question Image

    All points along the parabola and on the shaded region belong to the solutions of the inequality

    All points on the shaded region belong to the solutions of the inequality

    All points within the parabola represent the solutions of the inequality 

    All points along the parabola are the only solutions   of the inequality 

    30s
    M9AL-If-1
  • Q7
    Answer Image
    Answer Image
    Answer Image
    Answer Image
    30s
  • Q8

    The length of the wall frame is 1 meter greater than the width. If the area is less than 30 meter2, which length would be possible for the frame?  

    4 meters

    7 meters

    13 meters

    10 meters

    30s
    M9AL-If-g-1
  • Q9

    The length of a rectangular garden is 5 meters longer than its width and the area is at least 14 square meters. What will be the maximum possible length of the garden?

    2 meters

    3 meters

    7 meters

    5 meters

    30s
    M9AL-If-g-1
  • Q10

    Which graph represents y < -2x2+6x?

    Answer Image
    Answer Image
    Answer Image
    Answer Image
    30s
    M9AL-If-1

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