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Tác giả Maxime Parmentier, Manon Oreins
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Rappels - 2.9

Déterminez si les paraboles suivantes ont des intersections avec l'axe des abscisses. Si oui, donnez l'abscisse des intersections. Si non, répondez ∅

Ajoutez des réponses grâce au bouton "add answer"

Câu hỏi 1:
Hint Add answer
3x2−x+73
  • General
  • Symbols
  • Geometry
$\frac{\square}{\square}$⬜⬜​​$\sqrt{\square}$√⬜​$\sqrt[3]{\square}$3√⬜​$\sqrt[\square]{\square}$⬜√⬜​$\int_{\square}^{\square}$∫⬜⬜​​$\square^2$⬜2​$\square_2$⬜2​​$\left(\square\right)$(⬜)​
$\times$×​$\div$÷​$\pm$±​$\pi$π​$\infty$∞​$\varnothing$∅​$\ne$≠​$\ge$≥​$\le$≤​$>$>​$<$<​$\cup$∪​$\cap$∩​
$\angle$∠​$\parallel$∥​$\perp$⊥​$\triangle$△​$\parallelogram$▱​
Câu hỏi 2:
Add answer
−x2−√5x+5
  • General
  • Symbols
  • Geometry
$\frac{\square}{\square}$⬜⬜​​$\sqrt{\square}$√⬜​$\sqrt[3]{\square}$3√⬜​$\sqrt[\square]{\square}$⬜√⬜​$\int_{\square}^{\square}$∫⬜⬜​​$\square^2$⬜2​$\square_2$⬜2​​$\left(\square\right)$(⬜)​
$\times$×​$\div$÷​$\pm$±​$\pi$π​$\infty$∞​$\varnothing$∅​$\ne$≠​$\ge$≥​$\le$≤​$>$>​$<$<​$\cup$∪​$\cap$∩​
$\angle$∠​$\parallel$∥​$\perp$⊥​$\triangle$△​$\parallelogram$▱​
Câu hỏi 3:
Add answer
49x2+42x+9
  • General
  • Symbols
  • Geometry
$\frac{\square}{\square}$⬜⬜​​$\sqrt{\square}$√⬜​$\sqrt[3]{\square}$3√⬜​$\sqrt[\square]{\square}$⬜√⬜​$\int_{\square}^{\square}$∫⬜⬜​​$\square^2$⬜2​$\square_2$⬜2​​$\left(\square\right)$(⬜)​
$\times$×​$\div$÷​$\pm$±​$\pi$π​$\infty$∞​$\varnothing$∅​$\ne$≠​$\ge$≥​$\le$≤​$>$>​$<$<​$\cup$∪​$\cap$∩​
$\angle$∠​$\parallel$∥​$\perp$⊥​$\triangle$△​$\parallelogram$▱​
Câu hỏi 4:
Add answer
23x2+√32x−98
  • General
  • Symbols
  • Geometry
$\frac{\square}{\square}$⬜⬜​​$\sqrt{\square}$√⬜​$\sqrt[3]{\square}$3√⬜​$\sqrt[\square]{\square}$⬜√⬜​$\int_{\square}^{\square}$∫⬜⬜​​$\square^2$⬜2​$\square_2$⬜2​​$\left(\square\right)$(⬜)​
$\times$×​$\div$÷​$\pm$±​$\pi$π​$\infty$∞​$\varnothing$∅​$\ne$≠​$\ge$≥​$\le$≤​$>$>​$<$<​$\cup$∪​$\cap$∩​
$\angle$∠​$\parallel$∥​$\perp$⊥​$\triangle$△​$\parallelogram$▱​
Câu hỏi 5:
Add answer
πx2−πx+x
  • General
  • Symbols
  • Geometry
$\frac{\square}{\square}$⬜⬜​​$\sqrt{\square}$√⬜​$\sqrt[3]{\square}$3√⬜​$\sqrt[\square]{\square}$⬜√⬜​$\int_{\square}^{\square}$∫⬜⬜​​$\square^2$⬜2​$\square_2$⬜2​​$\left(\square\right)$(⬜)​
$\times$×​$\div$÷​$\pm$±​$\pi$π​$\infty$∞​$\varnothing$∅​$\ne$≠​$\ge$≥​$\le$≤​$>$>​$<$<​$\cup$∪​$\cap$∩​
$\angle$∠​$\parallel$∥​$\perp$⊥​$\triangle$△​$\parallelogram$▱​