.
| 1. . | |
| 23. . . , . | = 8 . t V = 13 /. t = S. S = 8 + 13t |
| y = kx + b, k, b . | |
| . | t = 4 /2 V0 = 13 /.
|
| y = ax2 + bx + c, a ≠ 0 |
2. = 2.
.
:
.
1. .
2.
3. .
4. = 0
5. > 0
6. < 0
7. .
= 2 + 4.
: = 2 + 4.
:
: = 2. ?
= 2 ( = 1, b = c = 0)
1.
|
2. 
: ≥ 0
= 0 = 0
3. ( , , ?)
| (-)2 = 2. | ||
| ? |
: , , , .
4. , .
5. (3) (2) → → → .
: (-3) <- 2 
(-3) > (-2) .
3). = 2
) , =
, =
: = 2 .
) = 2: (3; -2); (-3; 4)
) : (2,1) (1,11)
(-1,25)2 (-1,32)2
4,232 9,052
) = 2
3. y = ax2.
1) :
= , = 2, = 1/2 , = -, = -2, = -1/2.
k = ?
: = 2?
.
) : = 2 .
) : ( ) :
|
|
|
| I. = 22 | II . = 1/22 |
, = 2 (>0)
0 < a < 1 = 2
> 1 = 2
. > 1 ( , ); 0 < a < 1 ( , )
) = -2. :
| I . = -22 | II . = -1/22 |
( , ). , .
) = 2 :
4. = 2 + b +
1. :
= 2 .
2. :
( ):
I . = 2 + 2 + 1
II . = 2 2 + 1
III . = 2 + 2 + 4
IV . = 2 2 2
, = 2. ? ? ( ).
3. = 2 + 6 + 4 = 2?
4. : = -22 4 + 3.
( , = 2)
: y = ax2 + bx + c , = 2.
5. = ax2 + bx + c.
?
?
-
- ()
- .
?
1. : , , , , , , , , , , () , , , , ?
2. , ,
( . .. (7-9 .)
| - | ( ) | () | |
( ) ? . ..(7-9 .)
3. () VII . ( , = 2), IX ( , ).
4. - () .. (7-9 .).
. ( , 1 16, 1994)
|
|
|
5. :
-
- () .
.
