Amair was trying to expand his game
collection. He bought two games from a
friend and bought two more at a garage
sale. If two of the games didn't work,
how many good games did he end up
with?
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Ответ:

josecano2

07.05.2021

Mathematics

3 and - 4

Step-by-step explanation:

Calculate the gradients using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

Line A

with (x₁, y₁ ) = (0, - 2) and (x₂, y₂ ) = (1, 1) ← 2 points on the line

m = $\frac{1+2}{1-0}$ = 3

Line B

with (x₁, y₁ ) = (1, 1) and (x₂, y₂ ) = (0, 5) ← 2 points on the line

m = $\frac{5-1}{0-1}$ = $\frac{4}{-1}$ = - 4

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Amair was trying to expand his gamecollection. He bought two games from afriend and bought two more at a garagesale. If two of the games didn't work,how many good games did he end upwith?Show your work