8th grade review (2nd Q)

What is a rational number ?

• A rational number  is a number that cannot be written as a fraction.
• A rational number is a number that can be written as a ratio.
• A rational number cannot be a repeating  decimal.

What type of number is π ?

• Rational
• Irrational

Which number is an irrational number?

• 2.5
• 5.72314.....
• -17
• 1/2

• Rational

• Irrational 

• Neither 

• Both 

Between what two consecutive integers is the irrational number located?

• 9 and 10

• 8 and 9

• 64 and 81

• 72 and 73

• point A

• point B

• point C

• point D

5³⋅5⁴

• 5⁷
• 5⁻¹
• 5¹²
• 5

(x⁴)²

• x⁸
• x⁶
• x²
• 8

Evaluate the expression using the quotient rule.

• x¹³
• x⁵
• x³⁶
• x^-5

Simplify         m¹²/ m³

• m^12-3  = m⁹
• m^12/3  = m⁴
• m^-9
• -m⁹