3 years ago

If a² + b² = z and ab = y, which of the following is equivalent to 4z + 8y? Show all the steps.

Mathematics

2 answers:

Dmitrij [34]3 years ago

8 0

Answer:A

Step-by-step explanation:

Ivenika [448]3 years ago

7 0

Answer:

The answer to your question is: (2a + 2b)²

Step-by-step explanation:

a² + b² = z

ab = y

Which is equivalent to 4z + 8y ?

Substitution

4(a² + b²) + 8(ab)

Simplify 4a² + 4b² + 8ab

Order 4a² + 8ab + 4b² It's a perfect square trynomial

Factorize (2a + 2b)²

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