Phương trình bậc hai

Phương trình bậc hai

Assessment

Interactive Video

Mathematics

9th Grade

Hard

Created by

Nguyễn Thị Ngọc Nhi undefined

FREE Resource

3 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Điều kiện của phương trình bậc hai?

a=0

a>0

a<0

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

a=1; b=1; c=1

a=-1; b=1; c=1

a=1; b=1; c=-1

a=-1; b=1; c=-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Khi nào phương trình bậc hai có hai nghiệm phân biệt

Δ=0

Δ<0

Δ>0

Δ≥0

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