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3 years ago

EXTRA POINTS!! PLEASE HELP! Algebra

Mathematics

1 answer:

Iteru [2.4K]3 years ago

6 0

Answer:

Y=X+(X-3)

Step-by-step explanation:

I did this exercise by looking at the table

From the numbers given. you can realize that to reach the Y every X number sums a quantity(ex 7+4=11/8+5=13/9+6=15)

if you create the equation Y=X+(X-3)---> then all the numbers in the box are correct. Its all a matter of trying until you realize is correct

EXAMPLESS

Y=X+(X-3)

11=7+(7-3)= CORRECT 11

13=8+(8-3)= CORRECT 13

15=9+(9-3)= CORRECT 15

17=10+(10-3)= CORRECT 17

when you do this you know the equation its ok and reflect the behaviour of the function.

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I had to reformat this section with the way it was typed, please let me know if I did anything wrong.

Mckenzie's Work

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Cara's Work

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[] Right away we can tell that Cara is not correct.

-> Cara solves for b. We already have a b value, we need to solve for "c" in the equation.

[] Now let's look at Mckenzie.

-> Mckenzie does solve for the right variable, so let's see if she did it correctly.

-> First, she sets is up using a² + b² = c² since this is a right triangle. Next, she squares 5 to 25 and 13 to 169. Both correct.

-> Now they are added together. 25 + 169 do equal 194 so this looks correct.

-> Last, we square both sides. $\sqrt{194}$ ≈ 13.928388 which rounds to 13.93, so it looks like Mckenzie is correct.

Have a nice day!

I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly.

- Heather

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