SNNHS G9_Q2_PRETEST
Quiz by JOHN ANTHONY P. SANTOS
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- Q1
Which is an example of direct variation?
𝑦 =
𝑥 =
𝑦 = 2𝑥
𝑥𝑦 = 2
30s - Q2
Which is an example of inverse variation?
𝑥 = −4𝑦
𝑦 = 4𝑥
𝑥 =
𝑦 =
30s - Q3
The length 𝑙 of a rectangular field varies inversely as its width 𝑤 is written as ____.
𝑤 =
𝑙 =
𝑙 = 𝑘𝑤
𝑤 = 𝑘𝑙
30s - Q4
If 𝑦 varies inversely as 𝑥 and 𝑦 = 12 when 𝑥 = 4, find 𝑦 when 𝑥 = 3.
16
15
18
17
30s - Q5
What mathematical equation describes the graph at the right?
𝑦 varies inversely as 𝑥, where 2 is the constant of variation
𝑦 varies directly as 𝑥, where 2 is the constant of variation
𝑦 varies inversely as 𝑥, where 12 is the constant of variation
𝑦 varies directly as 𝑥, where 12 is the constant of variation
30s - Q6
Which equation represents “y varies directly as x andz”?
𝑦 =
𝑦 = 𝑥𝑧
𝑦 = 𝑘𝑥𝑧
𝑦 =
30s - Q730s
- Q8
It is defined as the variation where a quantity depends on two or more other quantities, whereas one quantity varies directly while the other quantity varies inversely.
Inverse
Combined
Joint
Direct
30s - Q9
“The Interest earned by a savings account of Mr. Viray is jointly proportional to the Time and its Principal amount. After one quarter(3 months), the interest for a principal amount of Php 6,000 is Php 120.” How much interest is earned within 5 months if the principal amount is Php 7,500?
Php 200
Php 300
Php 250
Php 350
30s - Q10
In the expression 3𝑥², 2 is called _____.
Literal Coefficient
Numerical Coefficient
Constant term
Exponent
30s - Q11
Which of the following is TRUE?
(𝑏−5)0= 𝑏−5
𝑥6 ∙ 𝑥3 = 𝑥9
𝑎0𝑏2 = 𝑎𝑏0
30s - Q1230s
- Q1330s
- Q1430s
- Q1530s
