2018
骞翠腑鑰冩暟瀛︿笓棰樺涔犲嵎
:
鍙嶆瘮渚嬪嚱鏁?/p>
涓�銆侀�夋嫨棰?/p>
1.
宸茬煡鐐?/p>
P
锛?/p>
1
锛?/p>
-3
锛夊湪鍙嶆瘮渚嬪嚱鏁?/p>
锛?/p>
k鈮?
锛夌殑鍥捐薄涓婏紝鍒?/p>
k
鐨勫�兼槸锛?/p>
锛?/p>
A. 3 B.
C. -3 D.
2.
濡傛灉鐐癸紙
3
锛岋紞
4
锛夊湪鍙嶆瘮渚嬪嚱鏁?/p>
鐨勫浘璞′笂锛岄偅涔堜笅鍒楀悇鐐逛腑锛屽湪姝ゅ浘璞′笂鐨勬槸锛?/p>
锛?/p>
A.
锛?/p>
3,4
锛?/p>
B.
锛堬紞
2
锛岋紞
6
锛?/p>
C.
锛堬紞
2
锛?/p>
6
锛?/p>
D.
锛堬紞
3
锛岋紞
4
锛?/p>
3.
鍦ㄥ弻鏇茬嚎
y=
鐨勪换涓�鏀笂锛?/p>
y
閮介殢
x
鐨勫澶ц�屽澶э紝鍒?/p>
k
鐨勫�煎彲浠ユ槸锛?/p>
锛?/p>
A. 2
B. 0
C.
锕?/p>
2
D. 1
4.
濡傚浘锛?/p>
宸茬煡鍙屾洸绾?/p>
y
锛?/p>
(k
锛?/p>
0)
缁忚繃鐩磋涓夎褰?/p>
OAB
鏂滆竟
OA
鐨勪腑鐐?/p>
D
锛?/p>
涓斾笌鐩磋杈?/p>
AB
鐩镐氦浜庣偣
C.
鑻ョ偣
A
鐨勫潗鏍囦负
(
锛?/p>
6,4)
锛屽垯鈻?/p>
AOC
鐨勯潰绉负
(
)
A. 4 B. 6 C. 9 D. 12
5.
濡傚浘鎵�绀哄弻鏇茬嚎
y=
涓?/p>
鍒嗗埆浣嶄簬绗笁璞￠檺鍜岀浜岃薄闄?/p>
,A
鏄?/p>
y
杞翠笂浠绘剰涓�鐐?/p>
,B
鏄?/p>
涓?
鐨勭偣
,C
鏄?/p>
y=
涓婄殑鐐?/p>
,
绾挎
BC
鈯?/p>
x
杞翠簬
D,
涓?/p>
4BD=3CD,
鍒欎笅鍒楄娉曪細鈶犲弻鏇茬嚎
y=
鍦ㄦ瘡涓薄闄愬唴
,y
闅?/p>
x
鐨?
澧炲ぇ鑰屽噺灏忥紱鈶¤嫢鐐?/p>
B
鐨勬í鍧愭爣涓?/p>
-3,
鍒?/p>
C
鐐圭殑鍧愭爣涓?/p>
(-3,
)
锛涒憿
k=4
锛涒懀鈻?/p>
ABC
鐨勯潰绉负瀹氬�?/p>
7.
姝ｇ‘鐨勬湁
锛?/p>
锛?/p>
A. I
涓?/p>
B. 2
涓?/p>
C. 3
涓?/p>
D. 4
涓?/p>