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stellarik [79]
3 years ago
15

Need help on number 1, 5 and 7

Mathematics
1 answer:
zimovet [89]3 years ago
4 0

Answer:

1) y = (x + 8)² + 7; 5) y = (x - 6)² + 10; 7) y = (x - 3)² - 4

Step-by-step explanation:

Complete the square in order to figure these out. To complete the square, use the formula <em>[½B]</em><em>²</em><em>.</em><em> </em>Each time you do this, you get a perfect trinomial in the form of a product of two monomials [<em>h</em>], then you have to figure out how much more to deduct from or add on to your <em>C</em><em> </em>they gave you in each exercise [<em>k</em>].

If you are still in need of assistance, do not hesitate to let me know and subscribe to my channel [username: MATHEMATICS WIZARD].

I am joyous to assist you anytime.

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X+y+z+11=v <br> solve for z
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Answer:

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Step-by-step explanation:

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Qual o valor que Z assume?<br> -Cz+ 6z = Tz+ 83
o-na [289]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
What is the anwser to 3(x-1)-8=4(1+x)+5
Fynjy0 [20]

X=20

3(x-1)-8=4(1+x)+5

1. Distribute

3x-3-8= 4+4x+5

2. Combine like terms

3x-11=4x+9

3. Add 11 or subtract 9 to both sides

3x-11+11=4x+9+11

or

3x-11-9=4x+9-9

3x=4x+20

or

3x-20=4x

If you did the first step then you subtract 4x from both sides

3x-4x=4x+20-4x

-x=20

Then you would divide by a negative 1 because there is an imagery 1 in front of the x.

-x/-1=20/-1

x=-20

If you did the second way then you would subtract 3x from both sides

3x-20-3x=4x-3x

-20=x

And you get the same answer for both ways




6 0
3 years ago
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