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goldfiish [28.3K]
3 years ago
12

What is the Turing point of f(x)=x^2-2x+8

Mathematics
1 answer:
netineya [11]3 years ago
7 0
Method1:parabola
y = x^2 - 2x + 8
y-7 = (x-1)^2 ; parabola
turning point is (1,7)

method2:diff
y = x^2 - 2x + 8
y' = 2x -2 = 0 ==> x = 1,
y=7

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1/8= 12 true or false
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Answer:

false

Step-by-step explanation:

5 0
3 years ago
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A 381 foot cable runs from the top of a radio tower to a skate in the ground. If it hits the ground 167 feet from the base of th
Goshia [24]

Answer:

64°

Step-by-step explanation:

Using Pythagoras rule :

Cosθ = adjacent / hypotenus

Adjacent = 167

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Cosθ = 167 / 381

Cosθ = 0.4383202

θ = Cos^-1(0.4383202)

= 64.003

Hence, angle of elevation = 64°

8 0
3 years ago
Can someone please give me a thorough explanation of how to do this? It would help a lot if you did it fast. (If it's thorough e
mezya [45]
Hi there!
To write a equation of a graph, we must follow the formula y = mx + b, where m is the slope and b is the y-intercept. In this scenario, we can utilize this formula to get our answer. First, let's take a look at the y-intercept. To find this, we need to take a look at the graph. We can see that the line crosses the y-axis at the point (0,250). Hence, 250 will be our y-intercept. Now, we can move on to the slope. This can be found by first taking two points from our graph. Here are the two points I'll be using - (0,250)(2,200). Now, use the slope formula, which goes as m = y₂ - y₁ / x₂ - x₁. All we have to do is plug in the respective values from the coordinate points. We get - 

m = 200 - 250 / 2 - 0
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m = -25

Using the information we have derived, we can construct the equation y = -25x + 250. Usually, the answer should be written in standard form, which goes as Ax + By = C, where A, B, and C are numbers. Therefore, to derive y = -25x + 250 into standard format, we must add 25x to both sides. This gives us y + 25x = 250. Hope this helped and have a marvelous day!
4 0
4 years ago
What is the length of Arc S shown below ? Enter an exact expression . Please help
Slav-nsk [51]
S=18€/5= 11.31 is the best option
7 0
3 years ago
3.75 ÷ 1.50 is equivalent to 375 ÷ 150.<br> The dividend and divisor were both multiplied by ??
bazaltina [42]

Answer:

100

Step-by-step explanation:

You need to move the decimal 2 numbers to right so you multiply by 100.

4 0
2 years ago
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