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National Adult College Entrance Examination Review Counseling Exercise Set Mathematics
Mathematics review questions and reference answers for adult college entrance examination

(

one

)

First, multiple-choice questions (

17

Little problem, every little problem

five

Points * * *

Eighty-five

Integral)

1

Set set

A={0

3}

B={0

three

4}

C={ 1

2

3}

rule

(

B

c)

a = _ _ _ _ _ _ _ _ _ _ _ _ _

A

{0, 1,2,3,4} B

, empty set

C

{0,3} D

{0}

2

, non-zero vector

a

b

Necessary and sufficient conditions for

___________________

A

a=b B

A =-b

a=

b D

There are non-zero real numbers.

k,a=kb

three

quadratic function

y=x

2

+4x+ 1

The minimum value of is

_________________

A

1 B

-3 degrees Celsius

three-dimensional

-4

four

In arithmetic progression.

{a

n

}

middle

,

known

a

1

=-

2

three

, one

six

= 1

rule

__________

A

a

three

=0 B

a

four

=0 degrees Celsius

a

five

=0 days

Everything is not zero.

five

, function

y=x

three

+2 sinx _ _ _ _ _ _ _ _ _ _ _ _

A

odd function

B

Even function

C

It is neither a odd function nor an even function.

D

already

Odd functions and even functions.

six

Known parabola

y=x

2

,

Order again

x=2

The slope of tangent at is

___________

A

2 B

3 degrees celsius

1 D

four

seven

, straight line

L

And straight line

3x-2y+ 1=0

Vertical, then

1

The slope of is

__________

A

3/2 B -3/2 C

2/3 dimension

-2/3

eight

, known

a

=

(

three

2

)

b

=(-4,6),

rule

a

b

=____________

A

4 B

0 degrees celsius

-4 D

five

nine

, hyperbola

nine

2

y

-

five

2

x

= 1

The focal length of is

___________

A

4 B

14

C

2

14

D

eight

10

, from

13

Choose from the students.

2

People as vice president, different election results * * * have ().

A

26 B

78 degrees celsius

156 D

169

1 1

if

f(x+ 1)=x

2

+2x,

rule

f(x)=_________

A

x

2

- 1 B

x

2

+2x+ 1°C

x

2

+2x D

x

2

+ 1

12

, setting

tanx=

four

three

,

and

cosx & lt0,

rule

cosx

The value of is.

_______

A

-

five

three

B

five

three

C

five

four

D

-

five

four

13

Known vector

A, b

satisfy

a

=4

b

=3,& lta,b & gt=30

rule

ab=

A

three

B

six

three

C

6 D

12

14

, function

y=sin(3x+

four

)

minimal positive period

________

A

three

B

C

three

2

D

three

15

, straight line

2x-y+7=0

Circled (

x- 1

)

2

+(y+ 1)

2

=20

A

Leave each other.

B

get in touch with

C

, intersect but the straight line does not pass through the center of the circle

D

, intersection, straight line through the center of the circle.

16

, known quadratic function

y=x

2

+ax-2

The symmetry axis equation of is

x= 1,

Then the vertex coordinates of the function.

______

A.

(

1

-3

)

B.

(

1

- 1

)

C.

(

1

)

D

(

- 1

-3

)

17

, ellipse

9x

2

+ 16y

2

= 144

The focal length of is

_______

A

10 B

5 degrees Celsius

2

seven

D

14