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学历语言类 | 国外英语考试

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美国学术能力评估考试(SAT)

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单选题 If ax + x2 = y2 -ay, what is a in terms of x and y?

A

y -x

B

x-y

C

x +y

D

(x2 + y2)/(x + y)

E

(x2 + y2)/(x - y)

单选题 If A is 125% of B, then B is what percent of A?

A

60%

B

75%

C

80%

D

88%

E

90%

单选题 If 5a+3b = 35 and a/b = 2/5, what is the value of a?

A

14/5

B

7/2

C

5

D

7

E

9

单选题 When f(x) is divided by 2x + 1, the quotient is x2-x+ 4 and the remainder is 6. What is f(x)?

A

2x3-x2 + 9x+ 6

B

2x3-2x2 + 8x + 6

C

x2-x + 10

D

2x3-x2 + 7x + 4

E

2x3-x2 + 7x + 10

单选题 (4a+a-3)(4b-2b-b) = ______.

A

2a-b

B

2ab-2b

C

5abb

D

5ab-3b

E

3ab

单选题 If , then = ______.

A

B

C

2x+1

D

E

单选题 If (x-1) 2-(x-1) = 0, then, ______.

A

x = 0 or x = 2

B

x = 0 or x = 1

C

x =-1 or x = 2

D

x = 1 or x = 2

E

x = 0 or x =-1

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