Riza wants to buy notebooks and pens at GSC Local Bookstore. The prices of a notebook and
pencil are fx and Py, respectively. If she will buy 2 notebooks and 1 pencil she needs to pay P25, but if
she chooses to buy 3 notebooks and 2 pencils she will pay P40.
A.
D.
29. What is the possible system of linear equation of the given problem?
2x+y=25
2x+y 25
2x+3y=40
3x+2y-40
B.
2x+y 25
D.
2x-y-25
2x-3y=40
3x-2y-40
30. What kind of graph is formed?
A. coinciding B. intersecting C. parallel
D. parabola
31. Which system of equations has a graph that shows intersecting lines with (2,-2) as a
solution?
x+y-40
A.
x+4y=14
C.
*-y-20
x=-2y+7
4x+4y=7
B.
2x+y=2
2y+x=3
2x-2y=8
32. Which of the following is a solution to the illustration below?
A. (1,2)
B. (2, 1)
C. (-1,-2)
D. (-2,-1)
33. What is the solution of x - y = 4 and x = 2y if substitution is applied?
A. (1,3)
B. (3, 1)
C. (-3,1)
D. (1,-3)
34. What is the solution or solution set of the systems of linear equations given by 2x - y = 1
and x = 3y + 4 when solved using substitution?
A. (1,0)
C. (4,0)
B. no solution
D. infinitely many solutions
35.
Which of the following ordered pairs does not satisfy both 2x - 4y - 10 = 0 and
x = 2y + 4 if substitution is applied?​