MATHEMATICS 7: TEST (Q1)

none of the above

intersection

union

difference

$=$

$>$

$\backslash ge$

$\backslash approx$

(-24°C) + (-2°C) = -26°C

  24°C + (-2°C) = 22°C 

 (-24°C) + (-2°C) = -22°C

24°C + 2°C = 26°C

Maybe

cannot be determined

yes

No

21 m above the Marikina River level

21 m below the Marikina River level

cannot be seen anywhere

at the surface of the Marikina River  

It is the distance from the reference point which is zero on a number line.

It is the distance from a given number’s counterpart on the other side of the reference point which is zero on a number line.

 It is the distance from the first number to the right of the reference point which is zero.

It is the non-positive distance to its negative on a number line.

two numbers that are both on the left side of the reference point which is zero on a number line

two numbers of similar signs and similar distance from the reference point which is 0

 two numbers that are of different distance from the reference point which is zero 

two numbers that are of equal distance from the reference point, which is zero, but located on different sides of zero on a number line

$\backslash left(A\backslash cup\; B\backslash right)$

$A-B$

$B-A$

$\backslash left(A\backslash cap\; B\backslash right)$

Descriptive

Roster

Set-Builder Notation

Well-defined

SET OF PET ANIMALS

SET OF WATER  ANIMALS

SET OF FARM ANIMALS

SET OF WILD ANIMALS

{1, 3, 5, 7 , 11, 13}

{2, 3, 5, 7, 11, 13}

{3, 5, 7 ,9, 11, 13}

{1, 3, 5, 7 ,9, 11, 13}

Subset

Things

Element

Set