Know It All Friday - 7th Math - 8

-5 - (- 3)

• -8

• 8

• -2

• 15

Convert to a decimal
 
                   3/8

• .325

• .250

• .500

• .375

Simplify the complex fraction shown.

• 9/40

• 40/9

• 10/36

• 5/18

-3 x -8

• 28

• 11

• 24

• -24

A climber starts descending from 533 feet above sea level and keeps going until she reaches 10 feet below sea level.  How many feet did she descend?

• 523 feet

• 543 feet

• 0 feet

• 500 feet

-9 + 9

• 18

• -18

• 0

• 81

Reduce:  6/15

• 2/5

• 3/5

• 4/9

Does this equation represent a proportional relationship?

• Yes

• No

Is this equation y = 14x showing proportionality?

• yes

• no

Using the table above, determine the equation of the line.

• y = 5x

• y = 10x

• y = 1/5 x

• y = 1/10 x