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Talitapdc
@Talitapdc
April 2020
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Quando y=-1, a expressão y²+4y+1 tem que valor númerico ?
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jhonatastv
Verified answer
Resolver a expressão, quando y = - 1.
y² + 4y + 1 =
(-1)² + 4(-1) + 1 =
1 - 4 + 1 =
- 3 + 1 =
= - 2
1 votes
Thanks 1
eluciamonteiro
Verified answer
y²+4y+1
(-1)
² +4.(-1) +1
+1 -4 +1
1+1 -4
2-4
-2
2 votes
Thanks 2
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Verified answer
Resolver a expressão, quando y = - 1.y² + 4y + 1 =
(-1)² + 4(-1) + 1 =
1 - 4 + 1 =
- 3 + 1 =
= - 2
Verified answer
y²+4y+1(-1)² +4.(-1) +1
+1 -4 +1
1+1 -4
2-4
-2