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determine a number that must be added to make each of the ff. a perfect square trinomial.

1. x2 + 2x + __
2. x2 -8x + __
3. r2 - 16r + __
4. t2 + 20t + __
5. s2 - 2/3s + __

Sagot :

OnekPHgo

Answer:

1. 1

2. 16

3. 64

4. 100

5. 1/9

Step-by-step explanation:

Here's the catch, example number 1 (2/2)^2 =1, number 5 (-2/3(2)) ^2 is 1/9

#Sana Nakatulong :)

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