Subject

Algebra

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Quizzes in Algebra

Algebra

求解不等式 (x – (-8))(x – (4)) < 0。

x = -8 or x = 4
x ≤ -8 or x ≥ 4
-8 < x < 4
x < -8 or x > 4

Correct answer(s):

-8 < x < 4

Algebra

求解不等式 (x – (2))(x – (3)) > 0。

x < 2 or x > 3
x ≤ 2 or x ≥ 3
2 < x < 3
x = 2 or x = 3

Correct answer(s):

x 3

Algebra

求解不等式 (x – (1))(x – (8)) < 0。

x ≤ 1 or x ≥ 8
1 < x < 8
x < 1 or x > 8
x = 1 or x = 8

Correct answer(s):

1 < x < 8

Algebra

求解不等式 (x – (1))(x – (2)) > 0。

1 < x < 2
x ≤ 1 or x ≥ 2
x = 1 or x = 2
x < 1 or x > 2

Correct answer(s):

x 2

Algebra

求解不等式 (x – (1))(x – (6)) < 0。

x ≤ 1 or x ≥ 6
1 < x < 6
x < 1 or x > 6
x = 1 or x = 6

Correct answer(s):

1 < x < 6

Algebra

求解不等式 (x – (-4))(x – (7)) > 0。

x = -4 or x = 7
x < -4 or x > 7
x ≤ -4 or x ≥ 7
-4 < x < 7

Correct answer(s):

x 7

Algebra

求解不等式 (x – (-6))(x – (3)) < 0。

x < -6 or x > 3
x = -6 or x = 3
x ≤ -6 or x ≥ 3
-6 < x < 3

Correct answer(s):

-6 < x < 3

Algebra

求解不等式 (x – (0))(x – (4)) > 0。

0 < x < 4
x ≤ 0 or x ≥ 4
x = 0 or x = 4
x < 0 or x > 4

Correct answer(s):

x 4

Algebra

求解不等式 (x – (-1))(x – (5)) < 0。

-1 < x < 5
x ≤ -1 or x ≥ 5
x = -1 or x = 5
x < -1 or x > 5

Correct answer(s):

-1 < x < 5

Algebra

求解不等式 (x – (-2))(x – (4)) > 0。

x ≤ -2 or x ≥ 4
x = -2 or x = 4
-2 < x < 4
x < -2 or x > 4

Correct answer(s):

x 4

Algebra

求解不等式 (x – (-2))(x – (2)) < 0。

x ≤ -2 or x ≥ 2
x < -2 or x > 2
-2 < x < 2
x = -2 or x = 2

Correct answer(s):

-2 < x < 2

Algebra

求解不等式 (x – (2))(x – (6)) > 0。

x ≤ 2 or x ≥ 6
2 < x < 6
x < 2 or x > 6
x = 2 or x = 6

Correct answer(s):

x 6

Algebra

求解不等式 (x – (-3))(x – (2)) < 0。

x ≤ -3 or x ≥ 2
x = -3 or x = 2
-3 < x < 2
x < -3 or x > 2

Correct answer(s):

-3 < x < 2

Algebra

求解不等式 (x – (-7))(x – (6)) > 0。

x = -7 or x = 6
-7 < x < 6
x < -7 or x > 6
x ≤ -7 or x ≥ 6

Correct answer(s):

x 6

Algebra

求解不等式 (x – (0))(x – (6)) < 0。

x ≤ 0 or x ≥ 6
0 < x < 6
x = 0 or x = 6
x < 0 or x > 6

Correct answer(s):

0 < x < 6

Algebra

求解不等式 (x – (-1))(x – (8)) > 0。

x = -1 or x = 8
x ≤ -1 or x ≥ 8
x < -1 or x > 8
-1 < x < 8

Correct answer(s):

x 8

Algebra

设 f(x)=2x+8。下列哪个表达式表示 f^(-1)(x)？

2/(x – (8))
(x + (8))/2
(x – (8))/2
(2x) – (8)

Correct answer(s):

(x - (8))/2

Algebra

设 f(x)=-2x+-5，g(x)=-1x+3。求 (f∘g)(-3)。

2
-22
-17
-15

Correct answer(s):

-17

Algebra

设 f(x)=3x+8。下列哪个表达式表示 f^(-1)(x)？

(x – (8))/3
3/(x – (8))
(3x) – (8)
(x + (8))/3

Correct answer(s):

(x - (8))/3

Algebra

设 f(x)=-3x+8，g(x)=3x+0。求 (f∘g)(6)。

-43
-30
-46
-38

Correct answer(s):

-46