绗洓绔?/p>
妗嗗浘
鍗曞厓缁冧範
1.
浠ヤ笅璇存硶姝ｇ‘鐨勬槸
( A )
A
锛庡伐搴忔祦绋嬪浘涓笉鍙兘鍑虹幇闂悎鍥炶矾
B
锛庣▼搴忔祦绋嬪浘涓笉鍙兘鍑虹幇闂悎鍥炶矾
C
锛庡湪涓�涓▼搴忔祦绋嬪浘涓笁绉嶇▼搴忕粨鏋勫彲浠ラ兘涓嶅嚭鐜?/p>
D
锛庡湪涓�涓▼搴忔祦绋嬪浘涓笁绉嶇▼搴忕粨鏋勫繀椤婚兘鍑虹幇
2.
涓嬭堪娴佺▼鍥撅紝濡傚浘鎵�绀猴紝杈撳嚭
d
鐨勫惈涔夋槸
( A )
A
锛庣偣
(
0
0
,
x
y
)
鍒扮洿绾?/p>
Ax+By+C=0
鐨勮窛绂?/p>
B
锛庣偣
(
0
0
,
x
y
)
鍒扮洿绾?/p>
Ax+By+C=0
鐨勮窛绂荤殑骞虫柟
C
锛庣偣
(
0
0
,
x
y
)
鍒扮洿绾?/p>
Ax+By+C=0
鐨勮窛绂荤殑鍊掓暟
D
锛庝袱鏉″钩琛岀嚎闂寸殑璺濈
3.
濡傚浘鎵�绀烘祦绋嬪浘涓紝鍒ゆ柇姝ｆ暣鏁?/p>
z
鏄鏁拌繕鏄伓鏁帮紝鍏朵腑鍒ゆ柇妗嗗唴鐨勬潯浠舵槸
( B )
A
锛庝綑鏁版槸
l B
锛庝綑鏁版槸
0 C
锛庝綑鏁版槸
3 D
锛庝互涓婇兘涓嶅
4.
濡傚浘鎵�绀虹▼搴忔鍥句腑
,a=
锛?/p>
7,
鍒欒緭鍑虹粨鏋滄槸
( D )
A
锛庯紞
7
B
锛?/p>
0 C
锛?/p>
7
飩?/p>
D
锛?/p>
9