Asked by ryan
Petra is practicing factoring by grouping. She wants to factor the polynomial 16xy−4x^2+28y−7x. Her work is shown below.
16xy−4x^2+28y−7x
4x(4y−x)+7(4y−x)
(4x+7)(4y−x)
Which statements regarding Petra’s work are true?
There may be more than one correct answer. Select all correct answers.
1. The constant 7 is not the greatest common factor of 28y−7x.
2. Petra is correct.
3. The product of Petra’s factors is not the original polynomial.
4. The monomial 4x is not the greatest common factor of 16xy−4x^2.
5. Petra is incorrect.
6. The product of Petra’s factors is the original polynomial.
could somebody help
16xy−4x^2+28y−7x
4x(4y−x)+7(4y−x)
(4x+7)(4y−x)
Which statements regarding Petra’s work are true?
There may be more than one correct answer. Select all correct answers.
1. The constant 7 is not the greatest common factor of 28y−7x.
2. Petra is correct.
3. The product of Petra’s factors is not the original polynomial.
4. The monomial 4x is not the greatest common factor of 16xy−4x^2.
5. Petra is incorrect.
6. The product of Petra’s factors is the original polynomial.
could somebody help
Answers
Answered by
Fiddle sticks!
She is correct!
Answered by
oobleck
yes, but you need to choose 2,6 as instructed
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