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Step2247 [10]
3 years ago
11

Is (x+4)^2 equivalent to 2x^2+8x+8? Explain or show your reasoning.

Mathematics
1 answer:
Zolol [24]3 years ago
8 0

Answer:

It's wrong because the y intercepts are different

Step-by-step explanation:

The box method is OP for these kind of questions

If I don't do a good job explaining it then I reccomend you consult the internet

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Well since we can use a base of 1 we know that 1 - 45 is less than 4 but -1 + 45 is not, which follows the assumption that x>0, but now we need to know what x is less than to fit the inequality. If we use 5 as a trial we can see that 5 - 9 = -4 so 0<x<5 is your answer. Hope this helps I basically used trial and error. If you want to check try 3 or 4 for x and it will work but 6 will not.
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What is the appropriate unit to measure the capacity of a hand sanitizer bottle
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1. Pint
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4 years ago
Which of the following expressions is not equivalent to -4.5 • -8?
denpristay [2]

Answer: (8)(-4.5)

Step-by-step explanation:

If you were to multiply-4.5 • -8 that would equal a positive number but if you were to divide (8)(-4.5) it would equal a negative number

3 0
3 years ago
Read 2 more answers
The system px +qy =r; fx + gy = h has solution(3,-1), where f,g,h,p,q, and r are nonzero real numbers.
Andrej [43]

The equivalent system of equations that would guarantee a solution of (3,-1) are

  • a. (p+f)x+(q+g)y= r+h and fx+gy=h
  • d. px+qy=r and (f-2p)x+(g-2q)y=h-2r
  • e. px+qy+r and 5fx+ 5gy = 5h

<h3>How to determine the system of equations?</h3>

The system of equations is given as:

px +qy =r

fx + gy = h

Add both equations

(p + f)x + (q + g)y = r + h

Multiply the second equation by a constant (say 5)

5fx + 5gy = 5h

Multiply the first equation by a constant (say 2)

2px + 2qy = 2r

The combination of any of the above equations to the given equation would guarantee a solution of (3,-1)

Hence, the equivalent system of equations are (a), (d) and (e)

Read more about system of equations at:

brainly.com/question/14323743

#SPJ1

6 0
2 years ago
What names apply to 2/3
Naddika [18.5K]
2 divided by 3. Or for a fraction: 2 over 3.
3 0
3 years ago
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