Total questions: 20
Total Mark: 70
Pass Mark: 28
7
6
5
2
(−∞, 0)∪(0, 1)∪(1, ∞)-∞, 0∪(0, 1)∪(1, ∞)
(−∞, 0)∪(1, ∞)-∞, 0∪(1, ∞)
(−∞, 1)∪(1, ∞)-∞, 1∪(1, ∞)
(−∞, −1)∪(1, ∞)-∞, -1∪(1, ∞)
x1=−5, x2=12x1=-5, x2=12
x1=5, x2=−12x1=5, x2=-12
x1=−3, x2=2x1=-3, x2=2
x1=−5, x2=−12x1=-5, x2=-12
1818
1414
−18-18
−12-12
r=4, b7=64r=4, b7=64
r=2, b7=128r=2, b7=128
r=4, b7=128r=4, b7=128
r=4, b7=256r=4, b7=256
a=6, b=6a=6, b=6
a=6, b=63–√a=6, b=63
a=6, b=8a=6, b=8
a=63–√, b=8a=63, b=8
6, 6, 12
8, 10, 12
5, 12, 13
10, 12, 15
x=6, y=5x=6, y=5
x=6, y=−2x=6, y=-2
x=6, y=−1x=6, y=-1
x=−6, y=1x=-6, y=1
11
00
11−a11-a
2a3−12a3-1
17
13
12
15
x2−2x+5=0x2-2x+5=0
x2+2x+5=0x2+2x+5=0
x2−3x+10=0x2-3x+10=0
x2+3x−10=0x2+3x-10=0
x=87x=87
x=78x=78
x=8x=8
x=9x=9
9.22
10.44
19.66
18.87
ca√−b√a+bca-ba+b
a√−b√a−ba-ba-b
c(a√−b√)a+bc(a-b)a+b
c(a√−b√)a−bc(a-b)a-b
4
10
1
3√232
6√−2√46-24
3√−2√23-22
1x−3−2x+31x-3-2x+3
2x−3−2x+32x-3-2x+3
2x−3−2x−32x-3-2x-3
1x+3−2x+31x+3-2x+3
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