Review: Invisible math, SBAC, Scientific notation & PEMDAS

What is equivalent to x?

• Nothing else

Write 2 as a fraction.

What is equivalent to -y?

• Nothing else

Which is equivalent to 8?

• -8

• +8

• 0

• 16

Every whole number has a denominator of...

• 0

• 1

• 2

• they don't have a denominator

• 1

• 9

• 0

• 0

• 23

• 1

Which is NOT a correct way to write multiplication?

• ab

• a (b)

Which is NOT a correct way to write division?

• a/b

What operation is shown by the expression: 6x

• addition

• subtraction

• multiplication

• division