Reviewer in Mathematics 9 Summative Test Quarter 2 Week1 and 2

Quiz by WILLIAM E. FELISILDA

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21 questions
• Q1
The phrase varies inversely illustrates:
Combination
Inverse variation+F2A4B2:E2B2:H2B2:F2B2:E2B2:F2
Direct variation
Joint variation
30s
• Q2
The phrase directly proportional:
Joint variation
Inverse Variation
Combination
Direct variation
30s
• Q3
The mathematical expression illustrates y=k/x
Combination
Inverse variation+F2A4B2:E2B2:H2B2:F2B2:E2B2:F2
Direct variation
Joint variation
30s
• Q4
The mathematical expression illustrates y=kx
Combination
Direct variation
Joint variation
Inverse Variation
30s
• Q5
The number of workers and the amount of work finished illustrates:
Inverse variation+F2A4B2:E2B2:H2B2:F2B2:E2B2:F2
Direct variation
Combination
Joint variation
30s
• Q6
. The number of persons and the amount of food consumption illustrates
Inverse Variation
Direct variation
Joint variation
Combination
30s
• Q7
The number of workers and the time required to finish an amount of work illstrates:
Direct variation
Inverse variation+F2A4B2:E2B2:H2B2:F2B2:E2B2:F2
Joint variation
Combination
30s
• Q8
The cost c varies directly as the number n of pencils is written as _____.
A. c = kn
C. n = k/c
B. k = cn
D. c = k/n
30s
• Q9
. How do you write The mass m of an object varies inversely as the acceleration due to gravity g into mathematical statement?
C. k=mg
D. m= 1/kg
B. m= k/g
A. m=kg
30s
• Q10
The cost of the mango varies directly as its weight. This relationship can be written as ________.
C. c= k/w
D. w= k/c
B. k=cw
A. c=kw
30s
• Q11
An encoder can type n words in t hours. The formula that relates n to t is n= k/t. What kind of variation is it?
Direct variation
C. inverse
Combination
Joint variation
30s
• Q12
If y varies directly as x and y = 32 when x = 4. What is the constant of the variation?
128
28
8
36
30s
• Q13
If y varies directly as x and y = 32 when x = 4. What is y when x = 9?
72
54
96
144
30s
• Q14
What happens to T when h is doubled in the equation T = 4h?
A. T is halved.
D. T becomes zero.
B. T is tripled.
C. T is doubled.
30s
• Q15
Mackee’s income varies directly as the number of days that she works. If she earns PhP 8 000.00 in 20 days, how much will she earn if she worked 3 times as long?
PhP 16 000.00
PhP 26 000.00
PhP 20 000.00
PhP 24 000.00
30s

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