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7176527
Ruutvõrrandi graafiline lahendamine
Description
Leia jooniselt ruutvõrrandi lahendid.
No tags specified
math
mathematics
geometric
mathematics
Quiz by
Si Re
, updated more than 1 year ago
More
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Created by
Si Re
almost 8 years ago
355
0
0
Resource summary
Question 1
Question
Leia jooniselt ruutvõrrandi -8x^2+2x=0 lahendid. x=[blank_start]0[blank_end] ja x=[blank_start]0,25[blank_end]
Image:
39553de4-cefc-43bd-a327-04b5f35a7252 (image/png)
Answer
0,25
0
Question 2
Question
Leia jooniselt ruutvõrrandi 3x^2+4,5x=0 lahendid. x=[blank_start]-1,5[blank_end] ja x=[blank_start]0[blank_end]
Image:
aa729ae5-4925-4a39-9905-8f552c849afd (image/png)
Answer
0
-1,5
Question 3
Question
Leia jooniselt ruutvõrrandi -5x^2+4,5x-2=0 lahendid. Vastus; [blank_start]Reaalarvulised[blank_end] [blank_start]lahendid[blank_end] [blank_start]puuduvad[blank_end]
Image:
7784d4b5-090a-4a0a-844f-2301b53202d2 (image/png)
Answer
Reaalarvulised
lahendid
puuduvad
Question 4
Question
Leia jooniselt ruutvõrrandi x^2- 2x-3=0 lahendid. Vastus: x=[blank_start]-1[blank_end] ja x=[blank_start]3[blank_end]
Image:
c8e99377-a5a5-4535-9587-e650b39183d9 (image/png)
Answer
-1
3
Question 5
Question
Leia jooniselt ruutvõrrandi -0,5x^2- 2=0 lahendid. Vastus: x=[blank_start]-2[blank_end] ja x=[blank_start]2[blank_end]
Image:
faa484d3-f087-4fa8-ae5c-097d5669a9e0 (image/png)
Answer
-2
2
Question 6
Question
Leia jooniselt ruutvõrrandi -1,5x^2=0 lahendid. Vastus: x=[blank_start]0[blank_end] ja x=[blank_start]0[blank_end]
Image:
b742bd67-52d6-4bd6-a158-d1f2fcb69c10 (image/png)
Answer
0
0
Question 7
Question
Leia jooniselt ruutvõrrandi x^2-5x+4=0 lahendid. Vastus: x=[blank_start]1[blank_end] ja x=[blank_start]4[blank_end]
Image:
0bf982ad-2169-4953-bd14-fe2331075712 (image/png)
Answer
1
4
Question 8
Question
Leia jooniselt ruutvõrrandi 4x^2+4x+1=0 lahendid. Vastus: x=[blank_start]-0,5[blank_end] ja x=[blank_start]-0,5[blank_end]
Image:
34cb3260-51b7-455e-a418-dab5a5a692c2 (image/png)
Answer
-0,5
-0,5
Question 9
Question
Leia jooniselt ruutvõrrandi 2,5x^2+5x+4=0 lahendid. Vastus: [blank_start]Reaalarvulised[blank_end] [blank_start]lahendid[blank_end] [blank_start]puuduvad[blank_end]
Image:
1a5e42e8-b9ca-48df-b488-c1ade3216cff (image/png)
Answer
Reaalarvulised
lahendid
puuduvad
Question 10
Question
Leia jooniselt ruutvõrrandi -4x^2+4x-1=0 lahendid. Vastus: x=[blank_start]0,5[blank_end] ja x=[blank_start]0,5[blank_end]
Image:
cc541e61-eebd-4d8a-a0df-0a3f8c0ef39d (image/png)
Answer
0,5
0,5
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