Which is not the quadratic inequality?

A.

Step-by-step explanation:

A quadratic inequality looks like a quadratic equation, but with signs

<, >, ≤, or ≥

instead of sign =

You are given one equation (the first one, because the sign is =) and two inequalities (the last two beacause the signs are < and > respectively).

Thus, correct option is A,

is not a quadratic inequality (it is a quadratic equation)

32

step-by-step explanation:

if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads