11.º ANO - 2022/2023

qa 1
10,5
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qa 2
3rq(10)/10 e -rq(10)/10
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qa 3
2rq(5)/5
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1.º TESTE
1. 63,5		2. 17	3. D	5. C	6. C; 5/3
7. -5+rq(2)	8. C	9. -7	10. B; -2rq(5)/5
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qa 4
x=5pi/16
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qa 5
y=-x/5+2/5 e 2,9
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2.º TESTE
1. A; y=rq(3)x-25rq(3)		2. 50,2		3. -8	4. C;3,5 e 0,5; 3h14 e 11h37; 3,36
5. C	6. [2/7,8/7[		7. +-5pi/36+pi/3; A	8. D; rq(5)/5	9. 2 e 5
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qa 6
y=5x/2+11 e (x,y)=(-2,6)+k(2,5)
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qa 7
-5/4 e 65/6
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qa 8
27
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3.º TESTE
1. B	2. D; não; cresc; 2,4900133	3. -2rq(35)/3; 2,46	4. -10; A
5. D	6. B; 15x+20y+24z-60=0; 91	7. 5rq(5)
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qa 9
-145
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qa 10
-64(3/4)^(n-2)
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qa 11
-3/2
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4.º TESTE
1. -pi/8; -0,653 e 0,144	2. C	3. C; -4y+3z+16		4. D	5. não
6. -1197/16	7. 5	8. A; 9		9. D	10. -inf; -1/6	11. 2/3 x3^n
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qa 12
[-5,-3/2[U[2,+inf[
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MT
1. [-7,6[\{-5}; [-7,6[\{-5,-2,4}; 9/2; -1	2. ]-inf,0[U]2,7/3]; x=-5 v x=3
3. [(x-1)^2-4]/2; 77/2; 5/2
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qa 13
-3/4
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qa 14
-17/3
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5.º TESTE
1. 324	2. B; (8,0,-4); 21/5	3. D	4. C	5. C; 8/3; ]-inf,1[	6. A
7. -5; [-7,48;+inf[	8. -5/2; não existe; 0