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2nd Quarter Summative Test

Quiz by Maria Resureccion M. Borja

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30 questions
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  • Q1

    1.  In variation, k stands for                 .

    quotient

    product

    difference

    constant of variation

    300s
  • Q2

     The statement “y varies directlyas x and inversely as thesquare of z” is an example of

                     .

    direct variation

    combined variation

    inverse variation

    joint variation

    300s
  • Q3

    What is the value of 12?

    1

    1/2

    12

    -1/2

    300s
  • Q4

    Rewrite 3 2/3 in radical form.

    \sqrt[3]{^{3^2}}

    \sqrt[3]{3}

    \sqrt{6}

    \sqrt{3}

    300s
  • Q5

    Which of these equations illustrates direct variation?

    \frac{2}{y}=x

    xy = 10

    y = 5x

    y = \frac{2}{x}

    300s
  • Q6

    Which of these equations illustrates combined variation?

    w=\frac{k}{b}

    w=\frac{kc}{b}

    w=kb

    w=kbc

    300s
  • Q7

    1.  Simplify: 8x2y0z0

    8x2yz

    8xyz

    8x2y0z0

    8x2

    300s
  • Q8
    300s
  • Q9

    The “speed r of a moving object is inversely proportional to the time t travelled”can be written as

    t = kr

    \frac{r}{k}=t

    r=\ \frac{k}{t}

    r = kt

    300s
  • Q10

    Which of the following is an example of a joint variation?

    c = k/n

    x = ky/z

    a = kbc

    r = kt

    300s
  • Q11
    300s
  • Q12

    Which of the following illustrates direct square variation?

    w =kbc2

    w = k/b2

    w = kb2

    w = kc/b2

    300s
  • Q13

    If the exponent of a certain base is zero, then the value is                  .

    undefined

    1

    negative

    0

    300s
  • Q14

    What happens to T when h is doubled in the equation T = 4h?

    T is halved

    T is tripled

    T is doubled

    a.  T becomeszero

    300s
  • Q15

    Inverse means             .

    zero

    constant

    opposite

    direct

    300s

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