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Sever21 [200]
3 years ago
12

5)

Mathematics
1 answer:
charle [14.2K]3 years ago
8 0

Answer:

c

Step-by-step explanation:

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Which function in vertex form is equivalent to f(x)=4+x^2-2x
morpeh [17]
F(x)=4-2x+x^2
=4-1+1-x-x+x^2
=3+(1-x) - x(1-x)
= 3+(1-x) (1-x)
= 3 + (1 - x)^2
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5 0
4 years ago
What number must you add to the polynomial below to complete the square?<br><br> x2 + 15x
Aleksandr-060686 [28]

Answer:

The number \frac{225}{4} is added to the polynomial below to complete the square.

Step-by-step explanation:

Perfect square binomial:

A perfect square binomial is given by:

(a + b)^2 = a^2 + 2ab + b^2

In this question:

We have that:

a^2 + 2ab + b^2 = x^2 + 15x + ?

Since a = x, we have that:

2ab = 15x

2b = 15

b = \frac{15}{2}

Completing the square:

The term that completes the square is b^2. So

b^2 = (\frac{15}{2})^2 = \frac{225}{4}

The number \frac{225}{4} is added to the polynomial below to complete the square.

4 0
3 years ago
Which group shows 0.25 of the faces smiling?
Ivahew [28]

Answer:

My dude the groul that shows that tiny bit of smiling must be the beatles or backstreet boys

6 0
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shepuryov [24]

Answer:

6 is slope intercept form

7 0
3 years ago
Melanie simplified the expression StartStartFraction StartFraction (cotangent (x)) Over (1 Over secant (x)) EndFraction EndEndFr
Leviafan [203]

Answer:

step 4;  csc(x)

Step-by-step explanation:

took the test and guessed

8 0
3 years ago
Read 2 more answers
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