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sat考试试题及答案

一、单项选择题(每题2分,共10题)

1.Whatisthevalueof\(x\)intheequation\(2x+5=13\)?

A.4

B.5

C.6

D.7

答案:A

2.Whichofthefollowingisaprimenumber?

A.9

B.11

C.15

D.21

答案:B

3.Theslopeoftheline\(y=3x-2\)is?

A.-2

B.1

C.3

D.-3

答案:C

4.If\(f(x)=x^{2}+3x-4\),whatis\(f(2)\)?

A.6

B.7

C.8

D.9

答案:A

5.Whichofthefollowingisequivalentto\(\sqrt{16}\)?

A.2

B.4

C.8

D.16

答案:B

6.Inarighttriangle,ifonelegis3andthehypotenuseis5,whatisthelengthoftheotherleg?

A.4

B.6

C.8

D.10

答案:A

7.Whatisthevalueof\(\cos(0)\)?

A.-1

B.0

C.1

D.2

答案:C

8.Whichofthefollowingisthesolutionoftheinequality\(2x-35\)?

A.\(x4\)

B.\(x4\)

C.\(x=4\)

D.\(x\geq4\)

答案:A

9.Theareaofacirclewithradius\(r=3\)is?

A.\(9\pi\)

B.\(6\pi\)

C.\(3\pi\)

D.\(\pi\)

答案:A

10.If\(y\)variesdirectlyas\(x\),andwhen\(x=2\),\(y=6\),whatis\(y\)when\(x=5\)?

A.10

B.15

C.20

D.25

答案:B

二、多项选择题(每题2分,共10题)

1.Whichofthefollowingarefactorsof12?

A.1

B.2

C.3

D.4

E.5

答案:A、B、C、D

2.Whichofthefollowingarequadraticfunctions?

A.\(y=x^{2}+2x-3\)

B.\(y=3x+2\)

C.\(y=2x^{2}-1\)

D.\(y=\frac{1}{x^{2}}\)

E.\(y=4-x^{2}\)

答案:A、C、E

3.Whichofthefollowinganglesareacuteangles?

A.\(30^{\circ}\)

B.\(45^{\circ}\)

C.\(90^{\circ}\)

D.\(120^{\circ}\)

E.\(15^{\circ}\)

答案:A、B、E

4.Whichofthefollowingequationsrepresentastraightline?

A.\(y=2x+1\)

B.\(x^{2}+y^{2}=1\)

C.\(y=\frac{1}{2}x-3\)

D.\(y=\sqrt{x}\)

E.\(3x-2y=6\)

答案:A、C、E

5.Whichofthefollowingnumbersarerationalnumbers?

A.\(\sqrt{2}\)

B.\(\frac{1}{2}\)

C.0.333...

D.\(\pi\)

E.-5

答案:B、C、E

6.WhichofthefollowingarePythagoreantriples?

A.(3,4,5)

B.(5,12,13)

C.(1,2,3)

D.(6,8,10)

E.(