Question

4 / which of the following is the quadratic
equations
a x2+3x+1=(x-2)²
b) (x + 1)2=5 (2-9]
c] x 3-1=0
d 5x+9=0​

Answer 1

Answer:

a

Step-by-step explanation:

The equation in which the highest power of x is 2 is called a quadratic equation.

a. highest power of x is seen as 2 (quadratic equation)

b. highest power of x is 1 (linear equation)

c. highest power of x is 3 (cubic equation)

d. highest power of x is 1 (linear equation)