Ruutvõrrandi graafiline lahendamine

Description

Leia jooniselt ruutvõrrandi lahendid.
Si Re
Quiz by Si Re, updated more than 1 year ago
Si Re
Created by Si Re almost 8 years ago
355
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]
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]
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]
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]
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]
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]
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]
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]
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]
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]
Answer
  • 0,5
  • 0,5
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