Department of Education
DIVISION OF CEBU PROVINCE
LAMAK NATIONAL HIGH SCHOOL
Lamak, Mayana, Barili, Cebu
MATHEMATICS 8
Quarter 1
POST-TEST QUESTIONNAIRE
MULTIPLE CHOICE
Directions: Read and analyze each item carefully and SHADE properly
the letter of the correct answer
on the ZipGrade answer sheet attached. ONLY ONE (1) SHADED LETTER IS ALLOWED. STRICTLY NO
ERASURES. Do not write anything on the test questionnaire.
1. Which of the following terms is described as "the ratio of two polynomial expressions"?
a. linear algebraic expression
c. rational algebraic expression
b. linear algebraic equation
d. rational algebraic equation
𝑃
2. In a rational algebraic expression written in the form of 𝑄, where P and Q are polynomials, the polynomial
Q must not be equal to ________.
a. −1
b. 0
c. 1
d. 2
3. Which of the following is considered a rational algebraic expression?
3𝑛
3𝑛+9
a. √𝑛
b. 𝑛3 −2
c.
2𝑥 −2 −7𝑥
𝑛2
4𝑥+11
d. 𝑛−2 −11
4. Which expression below is NOT an example of rational algebraic expression?
a.
5𝑦−1
2
3𝑦+5
b. 𝑦+1
2−√𝑥
c. 4−√𝑥
d.
𝑥 2 +3𝑥
2
5. Which of the following below is the equivalent mathematical phrase of “The ratio of five more than 3y and
one more than y”?
a.
6. What makes
5𝑦−1
2
𝑚+2
0
3𝑦+5
b. 𝑦+1
2−√𝑥
c. 4−√𝑥
d.
𝑥 2 +3𝑥
2
NOT a rational algebraic expression?
a. Because its denominator is 0.
b. Because m+2 is not a polynomial
c. Because any value given to “m” the answer is 0.
d. None of the above
𝑎𝑏√3
7. What makes 𝑎+𝑏+𝑐 a rational algebraic expression?
a. Because its denominator is 0.
b. Because ab√3 and a+b+c are polynomials. The √3 in the numerator is just a constant.
c. Because any value given to “a, b & c” the answer is 0.
d. None of the above
8. The following are NOT rational numbers EXCEPT:
a. √10
b. 2.3̅1̅2̅
c. √3
d.
2
9
9. The ratio of a number “w” and 5, added to three in mathematical phrase is?
a.
𝑤+5
3
𝑤+3
b. 5
𝑤
c. 3 + 5
𝑤
d. 5 + 3
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10. A rational algebraic expression should have the following EXCEPT:
a. all expressions are not polynomials
b. the denominator is not equal to zero
c. the denominator has no radical expression
d. all expressions are polynomials
11. Which of the following expressions below can be used as denominator of 2x-5 to make it a
rational algebraic expression?
a. √5
c. √2
b. x-7
d. 0
2x−4
12. What expression makes
a. 2x
√3
b. 2x -3
13. The expression
𝟕𝒔
𝟐
NOT a rational algebraic expression?
d. √3
c. -4
is the same as:
a. Twice a number s and seven
c. Seven times a number s and two
b. Twice a number s divided seven
d. Seven times a number s divided by two
14. The following are NOT rational algebraic expression EXCEPT:
s−7
√5
𝑥
3
a.
b.
c.
d.
0
𝑥−2
√2
𝑟−𝑟
15. The ratio of a number “t” and 3 added to five in mathematical phrase is?
a.
t+5
b.
3
t+3
5
t
16. What is the value of a in the expression
expression?
a. 5
b. 4
t
c. +5
3
d. +3
5
𝑥−3
𝑎
c. 2
so that the expression will NOT be a rational algebraic
d. 0
17. Which of the following combination will make an expression an example of rational algebraic
expression?
i. √5
ii. x+3
iii. 4
iv. √𝑥
a. ii ÷ i
b. iii ÷ iv
c. iv ÷ i
d. ii ÷ iii
18. Six times a number “y” increased by ten in mathematical phrase is:
a. 6y + 10
b. 6y - 10
c. 10y - 6
d. 10y + 6
19. Mylen translated the statement “Twice a number s divided 5” as
correct?
2𝑠
5
, is the answer of Mylen
a. Yes, because twice means 2s.
b. Yes, because divided 5 means over 2.
c. No, because five times means 5s
d. No, because divided 5 means over s.
20. Jaylord says
2𝑥
√𝑦
is not an example of rational algebraic expression, is the answer of Jaylord correct?
a. No, because the denominator is zero
b. No, because not all expression are polynomials
c. Yes, because all expression are polynomials
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d. Yes, because the denominator is not zero
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