11.º ANO - 2021/2022

qa 1
584,1
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qa 2
-rq(21)/5 e rq(21)/2
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qa 3
4/3
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1.º TESTE
1. 73,3		2. 104,5	3. B	4. D; 18/pi	5. B; 4rq(5)/5	6. C
8. -rq(3)/2	9. C
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qa 4
[1,5]
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qa 5
5-2rq(5)
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2.º TESTE
1. A; 0,93	2. C; pik/4; [-1,2[	3. -rq(6)/6; x=pi/2 ou x=7pi/12		4. D
5. não; y=3x/5-11/5; C; B; 116,6; 5pi/6		6. -64; 20rq(10)
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qa 6
16/3 e -9
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qa 7
47
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qa 8
-1154
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3.º TESTE
1. D	2. -16/9; 31; dec; 0 e não existe; -1,960265	3. C	4. B	5. B; 6x+4y+13z-245=0; 26/19; (2,3,0)
6. (x,y,z)=(3,7,3)+(4,-3,0); x^2+y^2+z^2-7y-5z-3=0; D; 0,81	7. (14/5,1/18/5)
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qa 9
-663,25 e 3549,25
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qa 10
8/3
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qa 11
2/3
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4.º TESTE
1. 2rq(3)	2. 4h2		3. D; 5x+3y-11=0; 95	4. -316/3	5. 41	6. sim
7. B	8. D; 3/2	9. D	10. -3/4; 4	11. C
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qa 12
n. inj, sobrej, n. bij
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Mini teste
1. (10x-1)/(2x+4)	2. 11/4		3. 3,35; -2 e 2
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qa 13
-5rq(6)
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qa 14
-9/4
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5.º TESTE
1. 2pi/9 e 4pi/9	2. C; x^2+y^2+z^2+3x-6y-2z+2<=0		3. D	4.A; 15/4; A; ]-inf,-2]U]-1,0]; -0,89 e -0,53
5. C	6. x=-1/2; 0; 1/3