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.(