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