Pregunta
Write an inequality in the form
such that the solutions are all real numbers
greater than -3 .
greater than -3 .
Solución de inteligencia artificial de Upstudy
Respuesta verificada por el tutor
Responder
The inequality is
.
Solución
We are given an inequality of the form
and we want its set of solutions to be all real numbers
satisfying
One way to achieve this is to choose
. When
is negative, multiplying both sides of the inequality by
(a negative number) reverses the inequality sign. Starting with
multiplying by
gives
To have the solution
, we need
A simple choice is to let
. Then we find
Thus, the inequality becomes
To verify, start with
Multiplying both sides by
(and reversing the inequality sign) yields
which is exactly the desired solution.
The final inequality is:
Respondido por UpStudy AI y revisado por un tutor profesional
Como
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The Deep Dive
To create an inequality of the form
such that the solutions are all real numbers greater than -3, we can manipulate the inequality accordingly. For instance, let’s take
and
. The resulting inequality will be
or just
, which is actually not what we need.
Instead, if we want
, we can use the form
. Multiplying throughout by -1 (and flipping the inequality) gives us
, which won’t work. A better option is to use
and
, which simplifies to
, giving us
when flipped. So, the final answer could be
, resulting in
as the solution! 💡

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