Select all of the following that are quadratic equations.

3 x^2 + 5 x - 7 = 0

x^3 - 2 x^2 + 1 = 0

2 x - 1 = 0

5 x^2 + 15 x = 0

6 x - 1 = 4 x + 7

x^2 - 4 x = 4 x + 7

Question

Mathematics

Derick Short

26 September, 18:28

Select all of the following that are quadratic equations.

3 x^2 + 5 x - 7 = 0

x^3 - 2 x^2 + 1 = 0

2 x - 1 = 0

5 x^2 + 15 x = 0

6 x - 1 = 4 x + 7

x^2 - 4 x = 4 x + 7

+3

Answers (1)

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Bosco · Answer 1

These are the quadratic equations

x^2 - 4 x = 4 x + 7

x^2 - 4 x = 4 x + 7

x^3 - 2 x^2 + 1 = 0

3 x^2 + 5 x - 7 = 0

Step-by-step explanation:

Equations that follow this formula (ax^2 + bx + c = 0) are considered as quadratic equations

Select all of the following that are quadratic equations.3 x^2 + 5 x - 7 = 0x^3 - 2 x^2 + 1 = 02 x - 1 = 05 x^2 + 15 x = 06 x - 1 = 4 x + 7x^2 - 4 x = 4 x + 7

Select all of the following that are quadratic equations.

3 x^2 + 5 x - 7 = 0

x^3 - 2 x^2 + 1 = 0

2 x - 1 = 0

5 x^2 + 15 x = 0

6 x - 1 = 4 x + 7

x^2 - 4 x = 4 x + 7