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Solnce55 [7]
3 years ago
15

Rewrite the function by completing the square f(x)=x^2−8x−2

Mathematics
1 answer:
Oduvanchick [21]3 years ago
4 0

Answer:

x-intercept(s):(4+3\sqrt{2},0),(4-3\sqrt{2},0)

y-intercept(s): (0,-2)

Step-by-step explanation:

To find the x-intercept, substittute in 0 for y and solve for x. To find the y-intercept, substitute in 0 for x and solve for y.

Hope this helps! If not I'm very sorry.

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Can you help me please
xxTIMURxx [149]
X= 455625 / 1048576 , HOPE THIS HELPS!
6 0
3 years ago
A clock store sold a certain clock to a collector for 20 percent more than the store had originally paid for the clock. When the
olga nikolaevna [1]

Answer: Option (A)

Step-by-step explanation:

Let the original price of the clock be "x "

<em>The clock is then resold to a collector = x + 20% of "x "</em>

<em>= x + 0.2x</em>

<em>= 1.2x</em>

Now, the shop re-buy the clock at a price = <em>Reselling\ price \times 0.50</em>

<em>= 1.2x \times 0.5</em>

<em>= 0.6x </em>

Therefore,

<em>Original Cost - Buy-Back price = $100</em>

<em>⇒ x - 0.6x = 100</em>

<em>⇒ x = 250  </em>

Hence , the selling price of the clock for the second time is

<em>= 1.8\times0.6\times250</em>

<em>= $270 </em>

<em></em>

7 0
3 years ago
-10=2(-3x + 1)
Delicious77 [7]
Ballance method is just a fance method of helping you remember to DO THE SAME THING TO BOTH SIDES OF AN EQUATION to keep it ballanced


-10=2(-3x+1)
divide BOTH SIDES by 2 to get rid of that 2 in front
-5=-3x+1
minus BOTH SIDES 1
-6=-3x
divide BOTH SIDES by -3
2=x


-x-7=-12
add7 BOTH SIDES
-x+7-7=-12+7
-x+0=-5
-x=-5
multiplY BOTH SIDES -1
x=5
4 0
3 years ago
The freezing point of water is 32°F. When water is at or below this temperature, it is in solid form. Which statements are true
mamaluj [8]

Answer:

The number 32 is part of the solution set

The circle on the graph is closed

The arrow on the graph points to the left

Step-by-step explanation:

The number 32 is part of the solution because it said that water freezes at 32 degrees when it is at or below 32

The circle on the graph is closed because 32 is part of the answer , when the solution is showed then the circle is closed.

Last but not least the arrow on the graph points left because water freezes when it is at 32 or below 32 degrees, so when it points left the numbers become lower.

Hope this helped! :)

8 0
3 years ago
Read 2 more answers
What is the value of 2 in 255.6
True [87]

Answer:

200?

Step-by-step explanation:

its kinda simple but the 2 is in the hundreds place therefore it is 200.

hope it helped ;)

6 0
3 years ago
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