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OLEGan [10]
3 years ago
11

Which function has the greater maximum value: f(x) = -2x2 + 8x-1, or g(x),

Mathematics
1 answer:
aleksklad [387]3 years ago
4 0

Answer:

It’s f(x)

Step-by-step explanation:

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A bag has 8 number tiles numbered one through eight. You draw a number tile, replace the tile and draw a second tile. What is th
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The answer is D because they take a tile out which makes it 7 tiles in the bag but then they put it back which makes the bag have 8 tiles in it again.
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Write the standard form of the equation of the line that passes through (3,2) and is parallel to the line whose equation is y=2x
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3 years ago
Which equation is a solution to (x-3)(x+9)=27?
Shtirlitz [24]

Answer:

x = ± 3\sqrt{7} - 3

Explanation:

I'm assuming you want the solutions to that equation, so here goes! (If not, please comment.)

(x-3)(x+9)=27

Let's FOIL this all out and expand. (Remember: First, Outer, Inner, Last.)

x^2 +   9x    -    3x    -  27

(first+ inner + outer + last)

x^2 + 9x - 3x - 27 = 27

Combine like terms, and add 27 to both sides.

x^2 + 6x - 27 + 27 = 27 + 27

x^2 + 6x = 54

Let's complete the square, because factoring doesn't work, and because it's good practice.

x^2 + 6x + ___ = 54 + ____

In the blank we will put b/2 ^2 = 6/2 ^2 = 3^2 = 9 to complete the square.

x^2 + 6x + 9 = 54 + 9

Now we've got a perfect square factor:

(x + 3)^2 = 63

sqrt(x+3)^2 = \sqrt{63}

x + 3 = ± 3\sqrt{7}

x = ± 3\sqrt{7} - 3

7 0
3 years ago
Rationalize 1/(5+3root2)
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Please find attached photograph for your answer

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Ten more than seven times a number is 35 what is the algebraic equation
MA_775_DIABLO [31]
The algebraic equation is:
7x+10=35
You can also write it as:
10+7x=35
(It doesn't matter which one you choose)
3 0
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