It translates to which solves to
after dividing both sides by 78. This means n is equal to 4 or it can be larger than 4.
What is the answer in linear equation for this problem 5z -2 > -6
2 answers:
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Answer:
Here is the question attached with.
is a straight line.
is a right angled triangle.
Options are correct answers.
Step-by-step explanation:
⇒As is ⊥
so it will forms right angled triangle then
.
⇒Measure of as
as
is the bisector of
,meaning that
is half of
so
.
⇒ is a straight line as the angles measure over it is
.
⇒Measure of from linear pair concept.
As ,plugging the values of
we have
.
The other two options are false as:
it is exceeding whereas
is a
straight line.
- And
is not true.
As and
So we have total answers.
The correct options are .
Now, recall Descartes Rule of Signs. Check the picture below.
the +x part, gives us the positive Real zeros, and it depends on how many times the sign changes from term to term, notice in the picture, it changed 3 times, so the positive real ones are 3, or 3-2, namely 1, so 3 or 1.
the negative real ones, come from using -x as the argument on f(x), and as you can see in the picture, there was only 1 sign change, meaning the negative real zeros are only 1.
since, based on the fundamental theorem of algebra the polynomial has 4 roots at most then,
3 positive real ones, and 1 negative real one, no complex ones
or
1 positive real one, and 1 negative real one, and 2 complex ones
bear in mind that complex always come in pairs, never alone.
the +x part, gives us the positive Real zeros, and it depends on how many times the sign changes from term to term, notice in the picture, it changed 3 times, so the positive real ones are 3, or 3-2, namely 1, so 3 or 1.
the negative real ones, come from using -x as the argument on f(x), and as you can see in the picture, there was only 1 sign change, meaning the negative real zeros are only 1.
since, based on the fundamental theorem of algebra the polynomial has 4 roots at most then,
3 positive real ones, and 1 negative real one, no complex ones
or
1 positive real one, and 1 negative real one, and 2 complex ones
bear in mind that complex always come in pairs, never alone.