Activity 1: MAKE IT PERFECT!
Determine the number that must be added to make each of the following a perfect square trinomial. Then, express each as a square of a binomial .Answer the questions that follow.
1. x2 + 4x + _______________ 6. w2 + 9w + _________________
2. t2 + 10t + _______________ 7. x2 − 11x + ________________
3. r2 − 14r + _______________ 8. v2 + 25v + ________________
4. r2 + 22r + _______________ 9. s2 + 31s + __________________
5. x2 − 36x + ______________ 10. t2 − 43t + ________________ _
Determine the number that must be added to make each of the following a perfect square trinomial. Then, express each as a square of a binomial .Answer the questions that follow.
1. x2 + 4x + _______________ 6. w2 + 9w + _________________
2. t2 + 10t + _______________ 7. x2 − 11x + ________________
3. r2 − 14r + _______________ 8. v2 + 25v + ________________
4. r2 + 22r + _______________ 9. s2 + 31s + __________________
5. x2 − 36x + ______________ 10. t2 − 43t + ________________ _
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Answer:
Hence. missing number 4
given: n^ 2 +4n+
Find: missing n 4^ n to make perfect square
Solution:
(a + b) ^ 2 = a ^ 2 + 2ab + b ^ 2
x^ 2 +471
x ^ 2 + 4x + 4 = (x + 2) ^ 2
Hence missing number 4