Question

Classify the expression: 5x+ 3x^2-7.

A.Linear expression
B.Quadratic expression
C.Cubic expression
D.Quartic expression

Answer 1

B.Quadratic expression

Explanation:

Quadratic expressions have a degree of 2. This means the highest exponent number is 2.

3x^2 is the term with the greatest exponent, and the exponent is 2.