SNNHS G8_Q2_PRETEST
Quiz by JOHN ANTHONY P. SANTOS
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- Q1
What is a linear inequality?
It is a mathematical statement that uses the symbol >, <, ≥, or ≤.
It is a mathematical statement that uses the symbol =.
both A and C
It is an inequality that can be written in the form Ax + By = C.
30s - Q2
Which does not belong to the group?
x + y ≥ 7
x + y = 7
x + y> 7
x + y < 7
30s - Q3
Which linear inequality will have a broken line when graphed?
x + y> 7
x + y ≥ 7
x + y ≤ 7
x + y = 7
30s - Q4
Points that lie on the broken line are solutions of the linear inequality.
True
Sometimes
Cannot be determined
False
30s - Q5
When graphed, which linear inequality will give you a solid line?
x + y = 7
x + y < 7
x + y ≥ 7
x + y > 7
30s - Q6
Translate this in mathematical statement:
The total amount of the family spends for food (f) and educational expenses (e) is at most 8,000 pesos.
f + e > 8,000
f+ e ≤ 8,000
f + e ≥ 8,000
f+ e < 8,000
30s - Q7
Which ordered pair is a solution of the inequality x + y > 1?
(5, -4)
(2, -3)
(4,1)
(3, -3)
30s - Q8
Carlo bought 5 apples and 2oranges. The total amount he paid was at most Php123. If x represents the number of apples and y be the number of oranges, which mathematical statement represents the given situation?
5x + 2y < 123
5x + 2y > 123
5x + 2y ≤ 123
5x + 2y ≥ 123
30s - Q9
What is the relation of the set of ordered pairs {(0,4), (1,3), (2,2), (3,1)}?
One to One
One to Many
Many to One
Many to Many
30s - Q10
Which set of ordered pairs represents a function?
{(1, 1), (1, 2), (1, 3)}
{(1, 2), (3, 4), (5, 6)}
{(0, 1), (1, 2), (0, 3)}
{(2, 3), (1, 3), (2, 3)}
30s - Q11
Which equation represents a function?
x² + y² = 4
x + y² = 4
2x = y
y² + x = 3
30s - Q12
Which equation is NOT a function?
x² + y = 2
x + y = 3
x + y² = 7
x = 3y
30s - Q13
Is it possible that a relation is said to be a function if the dependent variable is determined by the independent variable(s)?
Yes
No
Sometimes
Cannot be determined.
30s - Q14
Is it true that a relation is said to be a function if the independent variable is determined by the dependent variable(s)?
Sometimes
True
False
Cannot be determined
30s - Q15
In the set of ordered pairs below, what is the domain?
{(1,2), (3,4), (5,6), (7,8)}
{1, 2, 3, 4, 5, 6, 7, 8}
{2, 4, 6, 8}
{1, 3, 5, 7}
{8, 7, 6, 5, 4, 3, 2, 1}
30s