Question

Mathematics 9
Second Summative Test
3
b. y =
y
2.
k
с
W
"Honesty is the best Policy and it begins with me"
Good Luck!
Direction: On a separate sheet of paper, write only the letter of the choice you think
best answers the question or completes the statement.
1. Which is an example of a direct variation?
a. xy = 5
=
c. y = 2x
d. 3 = x
The cost c of mango varies directly as its weight w. This relationship is written
as
a. C = kw
b. k = cw
k
C. W=
d. c=
3. The number of hours h required to finish a job varies inversely as the numbers
of workers w on the job. This relationship is written as
a. h = kw
C. W = kh
4.
in simplified form is
b. 8m2
d. 8m2
5. Simplify (m3)
b. m
c. m2
d. m3/5
6. What is equal to?
a. O
b. 1
C. X
d. 2x
k
h
b. h =
d.
=W
W
k
10m 10
2m5
a. 5m2
c. 5m5
a. m15
75
75
1
10​

Answer 1

Answer:

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