Grade 9 2nd Quarter Pre-Test
Quiz by Daren Perez
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- Q1
Which is an example of direct variation?
30sM9AL-IIa-1 - Q2
Which is an example of inverse variation?
30sM9AL-IIa-1 - Q3
The length 𝑙 of a rectangular field varies inversely as its width 𝑤 is written as ____.
30sM9AL-IIa-1 - Q4
If 𝑦 varies inversely as 𝑥 and 𝑦 = 12 when 𝑥 = 4, find 𝑦 when 𝑥 = 3.
15
17
18
16
30sM9AL-IIb-c-1 - Q5
What mathematical equation describes the graph below?
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
30sM9AL-IIa-b-1 - Q6
Which equation represents “y varies directly as x and z”?
30sM9AL-IIa-b-1 - Q730sM9AL-IIa-b-1
- 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.
Direct
Combined
Joint
Inverse
30sM9AL-IIa-1 - Q9
“The Interest earned by a savings account of Mr. Viray is jointly proportional to the Time and its Principal amount. After one quarter (3months), 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
30sM9AL-IIb-c-1 - Q10
In the expression 3𝑥², 2 is called _____.
Numerical Coefficient
Exponent
Literal Coefficient
Constant term
30sM9AL-IId-1 - Q11
Which of the following is TRUE?
30sM9AL-IId-1 - Q1230sM9AL-IId-1
- Q1330sM9AL-IId-1
- Q1430sM9AL-IIe-1
- Q1530sM9AL-IIf-1
