1. Which of the following is true about the graphical solutions of a linear equation in two variables?
A. It has no solution.
C. It is a set of points on a line
B. It has only two solutions
D. It is a region of points bounded by a line.
2. Which is true about the graphical solution of inequalities in two variables?
A. region of points B. sets of points
C. sets of planes
D. region of plane
3. How does the graph of a linear inequality in two variables look like?
A. It is a line
C. It is a region of points bounded by a line.
B. It is a curve
D. It is a region of points bounded by a curve.
4. The following linear inequalities in two variables are in standard form EXCEPT
A. y > 2x + 25
B. x-2y <25
C. 2x-3ys 25
D. 5x + 2y 2 25
5. Kim is asked what inequality symbol to be used to translate at least in the mathematical sentence 8 times a
number y minus 3 times a number x is at least 30. Her answer is >. Is she correct?
A. Yes, because the symbol for at least is <. C. No, because the symbol for at least is 2.
B. Yes, because the symbol for at least is >. D. No, because the symbol for at least is s.
6. Bam bought 4 mangoes and 7 guavas. The total amount she paid was at least Php 230. If x represents the cost
of each mango and y the cost for each guava, which of the following mathematical statements represents the
given situation?
A. 4x + 7y 2 230 B. 4x + 7y < 230 C. 4x + 7y > 230 D. 4x + 7y < 230
7. Which of the following points satisfy the inequality y < 2x - 3?
A. (5,2)
B. (2,2)
C. (2,5)
D. (0,1)
8. For what possible values of x and y will make the inequality 5x + 3y > 12 true?
A. (0,3)
B.(3,-1)
C. (1,1)
D.(3,0)
9. Which of the following is a linear inequality in two variables?
A. x+y=2
B. x+ 5 >8
C. 3m + 5n< 10 D. 39 - 2q 6
10. In the inequality 4a + 3b < 12, what could be the possible value of a if b = 2?
A. a> 2/3
B. a>-3/2
C. a 2/3
D. a< 3/2
11. In a park, Donny wants to rent a bicycle for his son. The rental of bicycle is P20/hour. The amount of rental is
a function of the number of hours his son will use the bicycle. What is the domain of the function if they are
to stay in the park for 4 hours?
A. Domain: {0,20,40,60,80)
C. Domain: {1,2,3,4}
B. Domain: (0,1,2,3,4)
D. Domain: (20,40,60,80)
12. The price of powdered milk is a function of its net weight. In the function, the price of powdered milk is called?
A. Domain
B. Elements
C. Inputs
D. Outputs
13. What is the domain of the given set of ordered pairs {(3,1),(2,5),(0,5),(-2,6),(-4,7))?
A. {3,2,0,-4)
B. (1,5,6,7
C. {3,2,0, -2,-4) D. {1,5,5,6,7)
14. What is the domain of the function f(x)=v2x-2?
A. Domain = {x € R | x2 1)
C. Domain = {x eRx1)
B. Domain = {x ER | X31)
D. Domain = {x € R}
15. What is the range of the function f(x)=x+12x?
A. Range = [ye Rly 12)
C. Range = {y € Rly# 12}
B. Range = lye Rlys-1}
D. Range = {y e R | y2-1)
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