2nd Quarter Summative Test
Quiz by Maria Resureccion M. Borja
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- Q1
1. In variation, k stands for .
quotient
product
difference
constant of variation
300sEditDelete - 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
300sEditDelete - Q3
What is the value of 12?
1
1/2
12
-1/2
300sEditDelete - Q4
Rewrite 3 2/3 in radical form.
300sEditDelete - Q5
Which of these equations illustrates direct variation?
xy = 10
y = 5x
y =
300sEditDelete - Q6
Which of these equations illustrates combined variation?
300sEditDelete - Q7
1. Simplify: 8x2y0z0
8x2yz
8xyz
8x2y0z0
8x2
300sEditDelete - Q8300sEditDelete
- Q9
The “speed r of a moving object is inversely proportional to the time t travelled”can be written as
t = kr
r = kt
300sEditDelete - Q10
Which of the following is an example of a joint variation?
c = k/n
x = ky/z
a = kbc
r = kt
300sEditDelete - Q11300sEditDelete
- Q12
Which of the following illustrates direct square variation?
w =kbc2
w = k/b2
w = kb2
w = kc/b2
300sEditDelete - Q13
If the exponent of a certain base is zero, then the value is .
undefined
1
negative
0
300sEditDelete - 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
300sEditDelete - Q15
Inverse means .
zero
constant
opposite
direct
300sEditDelete - Q16
Translate the statement m varies directly as x and inversely as the cube of y.
m = y3/kx
m = kxy3
m = kx/y3
m = x/ky3
300sEditDelete - Q17300sEditDelete
- Q18
If y varies directly as x, and y = 12 when x = 4, find y when x = 12.
4
3
48
36
300sEditDelete - Q19
What is the value of 304-2?
1/16
1/12
16
12
300sEditDelete - Q20
What is the principal root of 251/2 ?
5
625
-5
12.5
300sEditDelete