Marissa was asked to create an equivalent form of the rational expression 27h8−18h5+12h3h . Which of the following is a correct equivalent form?(1 point)

Responses

This rational expression does not have any equivalent forms.
This rational expression does not have any equivalent forms.

9h8−6h5+4h
9 h superscript 8 baseline minus 6 h superscript 5 baseline plus 4 h

9h7−6h4+4
9 h superscript 7 baseline minus 6 h superscript 4 baseline plus 4

9h7−6h4

1 answer

To simplify the given expression 27h818h5+12h3h, we first need to rewrite the last term and then factor out the greatest common factor (GCF).

  1. Rewrite the last term: 12h3h=12h3+1=12h4 Now, the expression is: 27h818h5+12h4

  2. Identify the GCF: The GCF of the coefficients 27, 18, and 12 is 9. For the variable h, the smallest exponent in all terms is h4.

  3. Factor out the GCF: 9h4(3h42h+43) We now re-arrange this to see if we can get to match any of the options given.

  4. Alternatively, let's factor out 9h4 directly: 27h8=9h43h4 18h5=9h4(2h) 12h4=9h443 Thus, combining gives: =9h4(3h42h+43)

From this analysis, we see that there is a common factor of 9h4.

Now, let’s look at your options:

  • Option 1: "This rational expression does not have any equivalent forms." - Not true, we can factor.
  • Option 2: 9h86h5+4h - Not simplified properly.
  • Option 3: 9h76h4+4 - Only the powers are mismatched.
  • Option 4: 9h76h4 - Missing a constant.

None of the options provided are equivalent forms.

So, the correct response based on the analysis is that "This rational expression does not have any equivalent forms."

Final Answer: "This rational expression does not have any equivalent forms."

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