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alisha [4.7K]
3 years ago
10

PLEASE HELP Complete the square x² + 16.0

Mathematics
1 answer:
Sonbull [250]3 years ago
6 0

Answer:

x^2 + 16x + 32

Step-by-step explanation:

I am going to guess this is from factoring.

In which you need to x's multiplied together to get x^2. So you have:

(x+?) (x+?)

to get 16x you need two 8x's in your factoring square. so it would be

(x+8) (x+8)

Now you found out what you were mulitpling together, then you solve. The final part is multiplying 8 by 8, which is 32.

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Answer:

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Step-by-step explanation:

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2 years ago
Which are the coordinates of the vertices of a triangle congruent to ΔPQR?
user100 [1]

Answer:

(4,3), (−4,8), (−4,3)

(2.5,−4), (0,0), (0,−4)

Step-by-step explanation:

On plotting on graph all form right angled triangle.

Dimension of all triangles and tanФ

  1. Base=2 Height=5   tanФ  2.5
  2. Base=5 Height=3   tanФ  1.6
  3. Base=8 Height=5   tanФ  1.6
  4. Base =2.5 Height=4   tanФ  1.6

[Here base and height can be interchanged if needed]

Ratio of perpendicular and base of last two triangle is equal.

First two are not congruent to any of other triangle but 3rd and 4th triangle are congruent .

Their coordinates are:

(4,3), (−4,8), (−4,3)

(2.5,−4), (0,0), (0,−4)

7 0
2 years ago
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gavmur [86]
Approximately 8 hours
8 0
2 years ago
How do you substitute x+y=2 3x+2y=5
Monica [59]
Here's how you solve this.  So, x+y=2, right?  Let's isolate x.  x+y-y=2-y.  x=2-y.  NOW, if x=2-y, in 3x+2y=5, we can REPLACE x with 2-y and use it to solve for y!  3x+2y=5.  3(2-y)+2y=5.  (3*2)+(3*-y)+2y=5.  6+(-3y)+2y=5.  6+(-y)=5.  6+(-y)-6=5-6.  -y=-1.  -y/-1=-1/-1.  y=1.

So, if y=1, we can substitute that back into either equation--but let's go with the easier one, x+y=2.  x+1=2.  x+1-1=2-1.  x=1.  1+1=2, so that works; let's check the other equation.  3(1)+2(1)=5.  3+2=5.  5=5.  That's correct!

Answer: x=1, y=1
4 0
3 years ago
Read 2 more answers
Write the verbal expression for each algebraic expression.
sukhopar [10]

Step-by-step explanation:

i hope it helped you a lot. thankyou

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3 years ago
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