What ordered pair represents the y-intercept of the graph of x+y=9?

1 answer:

4 0

We can rearrange

x + y = 9

in to

y = 9 - x

This means the value of y is EQUAL to 9 minus the value of x.

[A] fits this description, because y (9) is equal to 9 minus x (0).

[B] does too, because y (0) is equal to 9 minus x (9).

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Pls solve this!!!!! Points!!!!!!!

Alex_Xolod [135]

Answer:

Step-by-step explanation:

Given that both equations are equal, solve the distributive property and then just solve for X:

2x + 2(3x-1) = 3(x+1)
2x + 6x - 2 = 3x + 3
5x = 5
x = 1

Therefore, the value of X is 1.

To know the perimeter of the triangle, we apply the value of X to solve the equation.
3(x + 1)
3(1 + 1)
3 + 3 = 6.

Therefore, each figure's perimeter is 6, as both are equal.

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