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PIT_PIT [208]
3 years ago
7

Complete the square to rewrite y = x2 – 6x + 5 in vertex form. Then state whether the vertex is a maximum or a minimum and give

its coordinates. A. Maximum at (3, –4) B. Minimum at (3, –4) C. Minimum at (–3, –4) D. Maximum at (–3, –4)
Mathematics
2 answers:
Allisa [31]3 years ago
6 0
X2 - 6x + 5

= (x - 3)^2 - 9 + 5

= (x - 3)^2  - 4

vertex is a minimum  at  (3, -4)

(
inna [77]3 years ago
6 0

Answer:

B. Minimum at (3, –4)

Step-by-step explanation:

Given is a quadratic function as

y=x^2-6x+5

Considering the first two terms, we find that if we add 9 we can make it a perfect square

Hence add and subtract 9 to right side

y=x^2-6x+9-9+5\\   =(x-3)^2-4

This is in vertex form

Vertex = (3,-4)

Since coefficient of leading term of x is positive, the parabola is open up and hence minimum is at (3,-4)

Option B,

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the trailer cost one-fourth as much as the boat. the total cost of both is 4,000 how much did each cost
Katarina [22]

Answer: Boat  cost $ 3200

Trailer cost $ 800

Step-by-step explanation:  From the statement , the coat of Trailer (t) = 1/4 of the coat of the boat ( b)

i.e t = 1/4b

multiply through by 4

4t = b

both cost 4,000

i.e t + b = 4000

recall: b = 4t

therefore

t + 4t = 4000

5t      = 4000

       t = 4000/5

       t = 800

       b = 4000 - 800

       b = 3200

4 0
3 years ago
Select all that apply.
Kryger [21]

Answer:

Your answer would be

1 \times 3 = 3

And

3 \times 5 = 15

Step-by-step explanation:

Hope this helps. If I am wrong, REPORT ME PLEASE.

6 0
2 years ago
Evaluate g(x) = 4 – 3x when x<br> = -3, 0, and 5.
nasty-shy [4]
G(x) when x = -3 : 4 - 3(-3) = 13
2. 4
3. -11
5 0
3 years ago
2(x-+2)+4=6x-4(-1+x)
sertanlavr [38]

2x-4+4=6x+4-4x

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3 years ago
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Help please! ASAP if you can =) Picture attatched
zloy xaker [14]
It would be D

Hope this helps! :)
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