Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


(1) 3x⁻⁴+4y² isn't a polynomial, as there is a negative power of x, .e. -4.
(2) 5/x isn't a polynomial, as again 5/x= 5* 1/x=5x⁻¹, which is a negative power.
(3) 4√y-3∛5x isn't a polynomial, as √y= y^{ \frac{1}{2} } , which is a fractional power.
(4) 7 tp^{ \frac{4}{9} } -6t isn't a polynomial, as p has a fractional power.
(5) 67/ab²c³ isn't a polynomial, as power of a= -1, b= -2 an c= -3, when acted as neumerators.

0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts