Unit 1 Review Quiz

-8 + 20

• -28

• 28

• 14

• 12

A submarine at -32 feet dives down 18 feet. After the dive, what will be the submarines elevation?

• 14

• -14

• -50

• 50

Negative number + Negative number = 

• postive number

• negative number

• zero

-8 - (-6) = 

• -14

• 14

• -2

• 2

What's a way to define absolute value?

• The value of a number

• The opposite of a number

• The distance of a number from zero

• The multiplicative inverse of a number

The absolute value of |3| is 0.

• True

• False

Mary is swimming 5 feet below the surface. Which integer represents the absolute value of Mary's location?

• -5 feet

• 5 feet

22 + 4.57 + 8.9

• 34.47

• 35.47

• 13.69

• 13.59

When adding decimals with different signs you....

• subtract and take the sign of the larger number

• add the opposite

• add and keep the sign

• subtract and keep the sign

- 3/4  -  (-2/3)

• 1/12

• -1/12

• -17/12

• _1    5/12