After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? Check all that apply. A.-x^3+4x+7=2x^2-9 B.x^2+x+2=0 C.3x^3+…

Question

asked Oct 6, 2017 157k views

2 Answers

Dmitry Dubovitsky · Answer 1 · 2017-10-12T07:36:27+0000

Answer:

Option B:
x^(2) +x+2=0

Explanation:

Any equation of degree 2 is called a quadratic equation.The highest power of the variable is called the degree of the equation.

Quadratic equations can be solved using quadratic formula.

Option B
x^(2) +x+2=0 is a quadratic equation as it is degree 2 equation and hence can be solved by using quadratic formula.