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OLga [1]
3 years ago
14

Determine what to add to make the trinomial a perfect square. x2+8x+___

Mathematics
1 answer:
Nataly_w [17]3 years ago
6 0

Answer: 16

Step-by-step explanation:

For a perfect square each factor is identical.

Now, we have to find a number that adds to get 8.

The only option is (x+4)(x+4). When you distribute, you get x²+8x+16.

Now, we know that the missing number is 16.

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