contestada

Which of the following is a quadratic equation?
1) [tex]y=2^x[/tex]
2) [tex]y=x^2+2x^3+4[/tex]
3) [tex]4x^2-1[/tex]
4) [tex]y=2x[/tex]

Respuesta :

sqdancefan

Answer:

  3)  4x² -1

Step-by-step explanation:

A quadratic equation is a 2nd-degree polynomial equation.

1) an exponential equation (the variable is in the exponent)

2) a cubic equation (degree = 3)

3) a quadratic equation

4) a linear equation (degree = 1)

Otras preguntas