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boyakko [2]
3 years ago
15

Describe the graph of the linear equation below: y = - 2

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
4 0
It is a horizontal line at y=-2
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Solve x2 − 8x + 5 = 0 using the completing-the-square method. (2 points)
RoseWind [281]

Answer:

x = 4 +  \sqrt{11},  \:  \: x = 4 -  \sqrt{11}

Step-by-step explanation:

{x}^{2}  -8x + 5 = 0 \\  \\  {x}^{2}  - 8x +  {4}^{2}  =  - 5 +  {4}^{2}  \\  \\  {(x - 4)}^{2}  =  - 5 + 16 \\  \\  {(x - 4)}^{2}  = 11 \\  \\ x - 4 =   \pm \sqrt{11}  \\  \\ x = 4 \pm \sqrt{11}  \\  \\ x = 4 +  \sqrt{11}, \:  \: x = 4 -  \sqrt{11}

8 0
2 years ago
What is the slope of this line
defon

Answer:

Step-by-step explanation: Do rise and run

3 0
2 years ago
A sample is BEST defined as _________.
Thepotemich [5.8K]

Answer:

(B) A selected group of participants that is representative of a larger population

Step-by-step explanation:

A sample statistic is a piece of information that you get from a fraction of the population. This information is representative of a larger population.

For example, someone wants to conduct a survey about the most popular NFL team in Syracuse, NY, if it is the Buffalo Bills or the New York Giants. This person is not going to ask each person for whom they cheer. They are going to collect data from a fraction of the population and this data will be expanded to include the entire population.

So, the correct answer is:

(B) A selected group of participants that is representative of a larger population

7 0
3 years ago
Please, can you give me help with answer #1- #2 and #3.Thanks.
ad-work [718]
Look at pic for work, all answers and work is listed

4 0
3 years ago
Read 2 more answers
Question 3 (0.5 points)
Ira Lisetskai [31]

Answer:

-4 and 0

Step-by-step explanation:

You just count 2 to the left and 2 to the right

7 0
3 years ago
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