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mrs_skeptik [129]
3 years ago
8

What is the completely factored form of this polynomial?

Mathematics
1 answer:
Sholpan [36]3 years ago
5 0

Answer:

A. (x + 2)²(x - 2)²

Step-by-step explanation:

x⁴ - 8x² + 16 =

(x² - 4)(x² - 4) =

(x - 2)(x + 2)(x - 2)(x + 2) =

(x - 2)²(x + 2)²

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Find the distance between each pair of points in the coordinate plane.
labwork [276]

Answer:

1) 3 units

2)4 units

3) 5 units

4)10 units

Step-by-step explanation:

We can use the Distance Formula to find the distance between the two points given to us. The Distance Formula is for points (x1 , y1) & (x2 , y2) is

★ Distance = √[ (x2 - x1)² + (y2 - y1)²]

<u>1) (0,0) & (0,3)</u>

⇒ Distance = √ [ (3-0)²+(0-0)² ]

⇒ Distance = √ [ 3² ]

⇒ Distance = 3 units .

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

<u>2</u><u>) (0,0) & (</u><u>4</u><u>,</u><u>0</u><u>)</u>

⇒ Distance = √ [ (4-0)²+(0-0)² ]

⇒ Distance = √ [ 4² ]

⇒ Distance = 4 units .

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

<u>3) (0,0) & (4,3)</u>

⇒ Distance = √ [ (3-0)²+(4-0)² ]

⇒ Distance = √ [ 3²+ 4² ]

⇒ Distance = √ 9 + 16

⇒ Distance = √25

⇒ Distance = 5 units .

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

<u>4</u><u>) (0,0) & (</u><u>8</u><u>,</u><u>6</u><u>)</u>

⇒ Distance = √ [ (8-0)²+(6-0)² ]

⇒ Distance = √ [ 8²+ 6² ]

⇒ Distance = √ 64 + 36

⇒ Distance = √100

⇒ Distance = 10 units .

8 0
3 years ago
Y=3x-10<br> 2x-5=y<br> plz help me with this and show the work plz i need it for my test
tankabanditka [31]
Substitution Method:

3x - 10 = 2x - 5

3x = 2x + 5

x = 5

Now solving for y:

y = 3x - 10

y = 3(5) - 10

y = 15 - 10

y = 5

(x, y) = (5, 5)

Check answer:

5 = 3(5) - 10
5 = 15 - 10
5 = 5

5 = 2(5) - 5
5 = 10 - 5
5 = 5

Since all of the equalities are true, (5, 5) is a true solution
6 0
3 years ago
What is √ 63 − 4 √ 7??
tester [92]

Answer:

- √7

Step-by-step explanation:

√63 = √9*7 = √9*√7

Sqrt(9) = 3

3√7 - 4√7 = -1√7=  -√7

4 0
3 years ago
Pls hurryyyyyy math test
Bezzdna [24]

Answer:

45 degrees

Step-by-step explanation:

4 0
3 years ago
Which of these numbers is greater than 2.25 but less than 1? Is it 1 or 1.5 or 0 or 2.5
Sloan [31]

Answer:

the answer is 1.5 because converting them into their fractional form indeed informs u that 1.5 is thus greater than 2.25 BT lesser than 1

5 0
3 years ago
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