|
Nr. |
Polynomform |
Scheitelpunktform |
Linearfaktoren |
Schnittpunkte
|
Scheitelpunkt |
|
|
x-Achse |
y-Achse |
|||||
|
1.) |
f(x) = -2 x2 + 8 x + 42 |
f(x) = -2 (x - 2)2 + 50 |
f(x) = -2 (x - 7) (x + 3) |
x1 = 7 |
x2 = -3 |
y = 42 |
SP = (2 / 50 ) |
|
2.) |
f(x) = 1 x2 - 3 x - 4 |
f(x) = 1 (x - 1.5)2 - 6.25 |
f(x) = 1 (x + 1) (x - 4) |
x1 = -1 |
x2 = 4 |
y = -4 |
SP = (1.5 / -6.25 ) |
|
3.) |
f(x) = -1 x2 + 3 x + 18 |
f(x) = -1 (x - 1.5)2 + 20.25 |
f(x) = -1 (x + 3) (x - 6) |
x1 = -3 |
x2 = 6 |
y = 18 |
SP = (1.5 / 20.25 ) |
|
4.) |
f(x) = -1 x2 - 9 x - 20 |
f(x) = -1 (x + 4.5)2 + 0.25 |
f(x) = -1 (x + 5) (x + 4) |
x1 = -5 |
x2 = -4 |
y = -20 |
SP = (-4.5 / 0.25 ) |
|
5.) |
f(x) = -0.667 x2 + 4 x - 3.333 |
f(x) = -0.667 (x - 3)2 + 2.667 |
f(x) = -0.667 (x - 1) (x - 5) |
x1 = 1 |
x2 = 5 |
y = -3.333 |
SP = (3 / 2.667 ) |
|
6.) |
f(x) = 0.5 x2 + 3.5 x + 6 |
f(x) = 0.5 (x + 3.5)2 - 0.125 |
f(x) = 0.5 (x + 4) (x + 3) |
x1 = -4 |
x2 = -3 |
y = 6 |
SP = (-3.5 / -0.125 ) |
|
7.) |
f(x) = -3 x2 + 15 x + 42 |
f(x) = -3 (x - 2.5)2 + 60.75 |
f(x) = -3 (x + 2) (x - 7) |
x1 = -2 |
x2 = 7 |
y = 42 |
SP = (2.5 / 60.75 ) |
|
8.) |
f(x) = -1 x2 + 6 x - 5 |
f(x) = -1 (x - 3)2 + 4 |
f(x) = -1 (x - 5) (x - 1) |
x1 = 5 |
x2 = 1 |
y = -5 |
SP = (3 / 4 ) |
|
9.) |
f(x) = 2 x2 + 6 x |
f(x) = 2 (x + 1.5)2 - 4.5 |
f(x) = 2 x (x + 3) |
x1 = -0 |
x2 = -3 |
y = 0 |
SP = (-1.5 / -4.5 ) |
|
10.) |
f(x) = -1.5 x2 + 7.5 x + 9 |
f(x) = -1.5 (x - 2.5)2 + 18.375 |
f(x) = -1.5 (x + 1) (x - 6) |
x1 = -1 |
x2 = 6 |
y = 9 |
SP = (2.5 / 18.375 ) |
|
11.) |
f(x) = -1 x2 - 7 x |
f(x) = -1 (x + 3.5)2 + 12.25 |
f(x) = -1 x (x + 7) |
x1 = -0 |
x2 = -7 |
y = -0 |
SP = (-3.5 / 12.25 ) |
|
12.) |
f(x) = 3 x2 - 12 x - 63 |
f(x) = 3 (x - 2)2 - 75 |
f(x) = 3 (x + 3) (x - 7) |
x1 = -3 |
x2 = 7 |
y = -63 |
SP = (2 / -75 ) |
|
13.) |
f(x) = 0.75 x2 + 2.25 x - 21 |
f(x) = 0.75 (x + 1.5)2 - 22.688 |
f(x) = 0.75 (x - 4) (x + 7) |
x1 = 4 |
x2 = -7 |
y = -21 |
SP = (-1.5 / -22.688 ) |
|
14.) |
f(x) = 0.75 x2 + 1.5 x - 11.25 |
f(x) = 0.75 (x + 1)2 - 12 |
f(x) = 0.75 (x - 3) (x + 5) |
x1 = 3 |
x2 = -5 |
y = -11.25 |
SP = (-1 / -12 ) |
|
15.) |
f(x) = -3 x2 + 6 x |
f(x) = -3 (x - 1)2 + 3 |
f(x) = -3 x (x - 2) |
x1 = 0 |
x2 = 2 |
y = -0 |
SP = (1 / 3 ) |
|
16.) |
f(x) = 1.5 x2 - 16.5 x + 42 |
f(x) = 1.5 (x - 5.5)2 - 3.375 |
f(x) = 1.5 (x - 4) (x - 7) |
x1 = 4 |
x2 = 7 |
y = 42 |
SP = (5.5 / -3.375 ) |
|
17.) |
f(x) = 1 x2 - 3 x - 28 |
f(x) = 1 (x - 1.5)2 - 30.25 |
f(x) = 1 (x - 7) (x + 4) |
x1 = 7 |
x2 = -4 |
y = -28 |
SP = (1.5 / -30.25 ) |
|
18.) |
f(x) = -1 x2 + 3 x + 28 |
f(x) = -1 (x - 1.5)2 + 30.25 |
f(x) = -1 (x - 7) (x + 4) |
x1 = 7 |
x2 = -4 |
y = 28 |
SP = (1.5 / 30.25 ) |
|
19.) |
f(x) = 0.333 x2 - 1.667 x - 4.667 |
f(x) = 0.333 (x - 2.5)2 - 6.75 |
f(x) = 0.333 (x - 7) (x + 2) |
x1 = 7 |
x2 = -2 |
y = -4.667 |
SP = (2.5 / -6.75 ) |
|
20.) |
f(x) = -0.333 x2 - 0.333 x + 4 |
f(x) = -0.333 (x + 0.5)2 + 4.083 |
f(x) = -0.333 (x + 4) (x - 3) |
x1 = -4 |
x2 = 3 |
y = 4 |
SP = (-0.5 / 4.083 ) |
|
21.) |
f(x) = -3 x2 - 24 x - 21 |
f(x) = -3 (x + 4)2 + 27 |
f(x) = -3 (x + 7) (x + 1) |
x1 = -7 |
x2 = -1 |
y = -21 |
SP = (-4 / 27 ) |
|
22.) |
f(x) = 3 x2 + 15 x - 42 |
f(x) = 3 (x + 2.5)2 - 60.75 |
f(x) = 3 (x + 7) (x - 2) |
x1 = -7 |
x2 = 2 |
y = -42 |
SP = (-2.5 / -60.75 ) |
|
23.) |
f(x) = -1 x2 + 3 x + 18 |
f(x) = -1 (x - 1.5)2 + 20.25 |
f(x) = -1 (x - 6) (x + 3) |
x1 = 6 |
x2 = -3 |
y = 18 |
SP = (1.5 / 20.25 ) |
|
24.) |
f(x) = -1.5 x2 + 10.5 x |
f(x) = -1.5 (x - 3.5)2 + 18.375 |
f(x) = -1.5 (x - 7) x |
x1 = 7 |
x2 = 0 |
y = -0 |
SP = (3.5 / 18.375 ) |
|
25.) |
f(x) = 0.5 x2 - 2.5 x - 3 |
f(x) = 0.5 (x - 2.5)2 - 6.125 |
f(x) = 0.5 (x - 6) (x + 1) |
x1 = 6 |
x2 = -1 |
y = -3 |
SP = (2.5 / -6.125 ) |
|
26.) |
f(x) = 0.5 x2 + 3.5 x |
f(x) = 0.5 (x + 3.5)2 - 6.125 |
f(x) = 0.5 x (x + 7) |
x1 = 0 |
x2 = -7 |
y = -0 |
SP = (-3.5 / -6.125 ) |
|
27.) |
f(x) = -0.25 x2 - 0.75 x |
f(x) = -0.25 (x + 1.5)2 + 0.563 |
f(x) = -0.25 (x + 3) x |
x1 = -3 |
x2 = -0 |
y = -0 |
SP = (-1.5 / 0.563 ) |
|
28.) |
f(x) = -1 x2 + 1 x + 42 |
f(x) = -1 (x - 0.5)2 + 42.25 |
f(x) = -1 (x - 7) (x + 6) |
x1 = 7 |
x2 = -6 |
y = 42 |
SP = (0.5 / 42.25 ) |
|
29.) |
f(x) = -2 x2 + 16 x - 14 |
f(x) = -2 (x - 4)2 + 18 |
f(x) = -2 (x - 7) (x - 1) |
x1 = 7 |
x2 = 1 |
y = -14 |
SP = (4 / 18 ) |
|
30.) |
f(x) = 3 x2 - 3 x - 18 |
f(x) = 3 (x - 0.5)2 - 18.75 |
f(x) = 3 (x + 2) (x - 3) |
x1 = -2 |
x2 = 3 |
y = -18 |
SP = (0.5 / -18.75 ) |