MATH 8 Q2 REVIEW PART 1
Quiz by SHACARMI GAY G. BALWIT
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- Q1
1. Which of the following is NOT a symbol of linear inequality?
<
≠
≥
=
60s - Q2
What is the domain of the given set of ordered pairs{(3,1),(2,5), (0,5),(−2,6),(−4,7)}?
{1, 5, 6, 7}
{3, 2, 0, −2, −4}
{1, 5, 5, 6, 7}
{3, 2, 0, −4}
60s - Q3
Which of the following is a linear inequality in two variables?
3𝑞 – 2𝑞 ≠ 6
3𝑚 + 5𝑛< 10
𝑥 + 5 > 8
x+ 𝑦 = 2
60s - Q4
Which of the following ordered pairs satisfy the system of inequalities?
(1, 5)
(2, -2)
(10, -2)
(0, -3)
60s - Q5
Identify which statement best describes the graph.
It is a mere relation since the vertical line will touch the graph at exactly one point.
It is a function since the vertical line will touch the graph at exactly one point.
It is a mere relation since the vertical line will touch the graph at three points.
It is a function since the vertical line will touch the graph at three points.
60s - Q6
Which of the following shows linear inequality in two variables?
3𝑝 ≤ 4+𝑝
𝑘+ 4 < 8+2k
6𝑎 – 3𝑎 = 9
21𝑚 ≥ 2𝑛− 15
60s - Q7
. The teacher asked John to determine the range of the given set of ordered pairs {(1,1), (2,4),(3,4),(−2,1),(−4,5)}. His answer is{1,1,4,4,5}. Is he correct?
Yes, since the numbers are increasing.
No, because the elements should be written once and the answer is {1,4,5}.
Yes, numbers 1, 1, 4, 4, and 5 are the second coordinates of the ordered pairs.
No, because range is the set of first coordinates.
60s - Q8
Which of the following inequalities has (5,1) as a solution?
3𝑥 – 𝑦 < 15
3𝑥 – 𝑦 ≤ 3
3𝑥 + 𝑦 ≤ 3
3𝑥 + 𝑦 < 15
60s - Q9
Which of the following is included in the solution set of the system of inequalities in two variables -2𝑥 + 5𝑦 ≥ 3 and 3𝑥 + 2𝑦 > 1?
(3,0)
(1, 2)
(2,1)
(4, 2)
60s - Q10
Which of the following sets of ordered pairs represents a function?
{ (0,0), (4, 2), (4,-2), (9,3 ),(9,-3) }
{ (0,2), (1, 3), (2, 4), (3, 5), (4, 6) }
{ (0,1), (0, 2), (0, 3), (0, 4), (0,5 ) }
{ (0,2), (1, 3), (1, 4), (3, 5), (3, 6) }
60s - Q11
Which of the following is true about the graphical solutions of a linear equation in two variables?
It is a set of points on a line.
It has only two solutions.
It is a region of points bounded by a line.
It has no solution.
60s - Q12
The diagram in figure 1 shows 𝑦 as a function of 𝑥. Which of the following is TRUE about the diagram?
−1 is part of the domain
9 is an input.
−3 is part of the range
-1 is an output
30s - Q13
Which of the following inequalities has (5,1) as a solution?
3𝑥 + 𝑦 ≤ 3
3𝑥 – 𝑦 ≤ 3
3𝑥 – 𝑦 < 15
3𝑥 + 𝑦 < 15
60s - Q14
Edwin sells pan de sal and pan de coco to earn money during vacation.Each pan de sal costs 𝑃2 and each pan decoco costs 𝑃3. Edwin needs toearn at most 𝑃200 per day, so heneeds to sell at least 20pieces of pan de sal and at least 40 pieces of pan de coco.Assuming 𝑥 is the number of pande sal and 𝑦 be the number of pande coco Edwin needs to sell.
Which of the following inequality represents the number of pan de sal that needs to be sold?
𝑥 ≤ 20
𝑥 < 20
x > 20
𝑥 ≥ 20
60s - Q15
Edwin sells pan de sal and pan de coco to earn money during vacation.Each pan de sal costs 𝑃2 and each pan decoco costs 𝑃3. Edwin needs toearn at most 𝑃200 per day, so heneeds to sell at least 20pieces of pan de sal and at least 40 pieces of pan de coco.Assuming 𝑥 is the number of pande sal and 𝑦 be the number of pande coco Edwin needs to sell.
Which of the following inequality represents the number of pan de coco that Edwin needs to sell?
𝑦 < 40
𝑦 ≤ 40
𝑦 > 40
𝑦 ≥ 40
60s
