(x - 4)² = 25
x - 4 = $\pm$ √25
x - 4 = $\pm$ 5
x = 5 + 4 or x = -5 + 4
x = 9 or x = -1

Method Use : Completing the square

-------------------------------
Answer: x = 9 or x = -1
-------------------------------

5 0

2 years ago

Read 2 more answers

Goodmorning I need help with this question. And may you explain to me how to get this right step by step. Thank you.

katen-ka-za [31]

Answer:

I think it's "C"

Step-by-step explanation:

Because a function is the independent variable to the dependent variable... Since, the cost relies on the weight, the cost is dependent. While, the weight is independent. I don't know if I'm right, I kinda suck at math

3 0

2 years ago

When comparing prices for activities at a local recreation center, you notice that the center charges different prices on differ

Tcecarenko [31]

No, it's the same activity so it couldn't be about the activity type. The cost varies by day.

5 0

3 years ago

Read 2 more answers

27x = 9x − 4 x = 8 x = 4 x = −4 x = −8

cestrela7 [59]

Answer:

x = -2/9

Step-by-step explanation:

27x = 9x − 4

Subtract 9x from each side

27x-9x = 9x-9x − 4

18x = -4

Divide each side by 18

18x/18 = -4/18

x = -4/18

Divide the top and bottom by 2

x = -2/9

5 0

3 years ago

Read 2 more answers