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slavikrds [6]
2 years ago
11

PLEASE HELP!!! THIS IS MY LAST QUESTION!! ASAP!!

Mathematics
2 answers:
aleksandr82 [10.1K]2 years ago
8 0

Answer:

In order of what is shown on the pic:

- Trinomial

- Monomial

- Trinomial

- Binomial

- Polynomial with four terms

Step-by-step explanation:

Again, in the same order as above:

1. The first has three terms, making it a trinomial

2. 7x^2 - 7x^2 +4x

The 7x^2 cancels out and we are left with only 4x

Since there is one value, it is a monomial

3. This one has three terms, making it a trinomial

4. This one has two terms, making it a binomial

5. The last one has four terms, making it a polynomial with four terms.

RoseWind [281]2 years ago
7 0

Answer:

In order of what is shown on the pic:

- Trinomial

- Monomial

- Trinomial

- Binomial

- Polynomial with four terms

Step-by-step explanation:

Again, in the same order as above:

1. The first has three terms, making it a trinomial

2. 7x^2 - 7x^2 +4x

The 7x^2 cancels out and we are left with only 4x

Since there is one value, it is a monomial

3. This one has three terms, making it a trinomial

4. This one has two terms, making it a binomial

5. The last one has four terms, making it a polynomial with four terms

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determine the quadratic function of f whose graph is given. The vertex is (1,-3) and the y-intercept is -2
LuckyWell [14K]
Hmmm the y-intercept is at -2?  what does that mean?  well, is where the graph "intercepts" or touches the y-axis, and when that happens, x = 0, so the point is really ( 0 , -2 ).

and we know where the vertex is at.  Let's assume a vertical parabola, in which case the squared variable is the "x".

\bf \qquad \textit{parabola vertex form}\\\\
\begin{array}{llll}
\boxed{y=a(x-{{ h}})^2+{{ k}}}\\\\
x=a(y-{{ k}})^2+{{ h}}
\end{array} \qquad\qquad  vertex\ ({{ h}},{{ k}})\\\\
-------------------------------\\\\
vertex
\begin{cases}
h=1\\
k=-3
\end{cases}\implies y=a(x-1)^2-3
\\\\\\
\textit{now, we also know that }
\begin{cases}
x=0\\
y=-2
\end{cases}\implies -2=a(0-1)^2-3
\\\\\\
1=a(-1)^2\implies \boxed{1=a}\qquad thus\implies 
\begin{cases}
y=1(x-1)^2-3\\
\textit{or just}\\
y=(x-1)^2-3
\end{cases}
6 0
3 years ago
(-4) + 8 =<br> -10 + 12<br> 9 +(-3)<br> (+3) + (-3)<br> 5 +(-2)<br> (-18) + 9 <br> 25 + (-30)
Alex Ar [27]

Step-by-step explanation:

  • 4
  • 2
  • 6
  • 0
  • 3
  • -9
  • -5

all these are the answers of your question

hope it is helpful to you

5 0
2 years ago
The figure below shows an upside-down pyramid with a square base.
vesna_86 [32]

Answer:

B

Step-by-step explanation:

4 0
3 years ago
Hello i need help plz
Nikolay [14]

Answer:

the only one in five years ago and I have a good time to do so, I was just wondering 8th, I am a bit

6 0
3 years ago
Ten subjects are being studied to test the effectiveness of itch relief for three types of medication: A, B, and C. Using a 10-p
yan [13]

Answer: Choice C

They should be blocked by pain resistance so the subjects are as similar as possible.

============================================================

Explanation:

The process of blocking in statistics is where we group up people in blocks, and each block is determined by a characteristic of some sort. In this case, we're grouping people up by pain resistance level. Those very resistant to pain will be in one group, while those who easily feel pain will be in another block, and so on. It might be effective to have a pain scale and sort people by that.

Blocking is done so that we eliminate unwanted variability. We are testing the effectiveness of the itching cream, so all we care about is if the itch reduces or not. We aren't worried about the levels of pain. However, it says that "Previous studies have shown the effects of treatment may vary based on a subject's pain resistance". So we group up the people by pain tolerance to help eliminate the variability of pain tolerance levels.

This is why choice C is the final answer.

-------------

Extra info:

  • Choice A is false because a person's name doesn't have anything to do with if the treatment works or not.
  • Choice B is false because we weren't given any info to indicate it being true. It may be true, but we simply don't have enough info to confirm it.
  • Choice C is false for similar reasons as choice B.
6 0
2 years ago
Read 2 more answers
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