1. What is the correct symbol to make the mathematical statement 4x - 8y 16 a linear equality? a. = b. < C.> d. S buo Yariable

Algebra and Trigonometry (6th Edition)
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ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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WRITTEN WORK No. 1
Learning Area
Most Essential Learning Competencies (MELCS)
1. Differentiate linear inequalities in two variables
from linear equations in two variables
(M8AL-11a-2)
2. Illustrates and graphs linear inequalities in two
variables (M8AL-11a-2)
3. Solves problems involving linear inequalities in two
variables (M8AL-11a-4)
4. Solves systems of linear inequalities in two
variables (M8AL-11b-2)
Mathematics 8
MULTIPLE CHOICE
Directions: Read each item carefully and choose the lefter of the
correct answer.
1. What is the correct symbol to make the mathematical statement
4x - 8y16 a linear equality?
a. =
'b. <
C.>
d. S
2. Which of the statements below is a linear inequality in two variables?
a. 4x - y > 1
_3. The graph of an inequality using a < or > has a
a. horizontal
4. Which of the following is NOT a linear inequality in two variables?
a. 2x + 8 > 4y
b. 5m 2-3
5. Which of the following graphs DOES NOT shows an inequality?
b. x2 + y2 < 10
c. 8y 2 6x²
d. x- y = 14
line.
b. broken
C. solid
d. vertical
c. 6 - 8r < 2t
d. 2a - 4b > 9
С.
a.
d.
b.
Transcribed Image Text:WRITTEN WORK No. 1 Learning Area Most Essential Learning Competencies (MELCS) 1. Differentiate linear inequalities in two variables from linear equations in two variables (M8AL-11a-2) 2. Illustrates and graphs linear inequalities in two variables (M8AL-11a-2) 3. Solves problems involving linear inequalities in two variables (M8AL-11a-4) 4. Solves systems of linear inequalities in two variables (M8AL-11b-2) Mathematics 8 MULTIPLE CHOICE Directions: Read each item carefully and choose the lefter of the correct answer. 1. What is the correct symbol to make the mathematical statement 4x - 8y16 a linear equality? a. = 'b. < C.> d. S 2. Which of the statements below is a linear inequality in two variables? a. 4x - y > 1 _3. The graph of an inequality using a < or > has a a. horizontal 4. Which of the following is NOT a linear inequality in two variables? a. 2x + 8 > 4y b. 5m 2-3 5. Which of the following graphs DOES NOT shows an inequality? b. x2 + y2 < 10 c. 8y 2 6x² d. x- y = 14 line. b. broken C. solid d. vertical c. 6 - 8r < 2t d. 2a - 4b > 9 С. a. d. b.
6. How can you tell if an inequality will have a solid line?
a. It has an equal sign
b. the symbol has "or equal to"
7. To get a passing mark in school, a student must have a grade (g) of at least
75. Which of the following mathematical statement represent the given
situation?
c. The symbol is greater than
d. the symbol is lesser than
a. g s75
b. g = 75
C. g2 75
d. none of these
For items 8-12, determine whether the ordered pair is a solution of the
given inequality.
Write Yes or No.
8. 2x + 4y > 8
9. X- 2y < 5
10. 3x- y20
11.4x+ 3y s 11
12. 6x + 2y 2 0
:(1,2)
;(2, 3)
:(-2, 3 )
;( 2, 1 )
:(-1,3)
13. What ordered pair satisfies the system x+ 2y 2 4 ?
3x - 4y < 6
b. (0, 2)
c. (3, -2)
d. (4, 0)
a. (2, 0)
14. Based from the graph, which point is NOT a solution of the system?
a. (0, 3)
b. (-2,- 2)
c. (-2,- 4)
+6
d. (0,0)
15. All of the following are true, EXCEPT.
a. The boundary line of y > 3x +2 is a solid line.
b. The boundary line of 2x- 5y s 10 is a solid line.
C. X+y21 is a linear inequality.
d. (1, 1), is a solution of x + y > 1
Transcribed Image Text:6. How can you tell if an inequality will have a solid line? a. It has an equal sign b. the symbol has "or equal to" 7. To get a passing mark in school, a student must have a grade (g) of at least 75. Which of the following mathematical statement represent the given situation? c. The symbol is greater than d. the symbol is lesser than a. g s75 b. g = 75 C. g2 75 d. none of these For items 8-12, determine whether the ordered pair is a solution of the given inequality. Write Yes or No. 8. 2x + 4y > 8 9. X- 2y < 5 10. 3x- y20 11.4x+ 3y s 11 12. 6x + 2y 2 0 :(1,2) ;(2, 3) :(-2, 3 ) ;( 2, 1 ) :(-1,3) 13. What ordered pair satisfies the system x+ 2y 2 4 ? 3x - 4y < 6 b. (0, 2) c. (3, -2) d. (4, 0) a. (2, 0) 14. Based from the graph, which point is NOT a solution of the system? a. (0, 3) b. (-2,- 2) c. (-2,- 4) +6 d. (0,0) 15. All of the following are true, EXCEPT. a. The boundary line of y > 3x +2 is a solid line. b. The boundary line of 2x- 5y s 10 is a solid line. C. X+y21 is a linear inequality. d. (1, 1), is a solution of x + y > 1
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