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hoa [83]
3 years ago
5

Which ordered pair is not a solution of y= -4x - 9 ?

Mathematics
1 answer:
____ [38]3 years ago
6 0
y=-4x-9 \\ \\
(x,y)=(-9,27) \\
27=-4 \times (-9)-9 \\
27=36-9 \\
27=27 \\
true \\ \\
(x,y)=(3,-21) \\
-21=-4 \times 3-9 \\
-21=-12-9 \\
-21=-21 \\
true

(x,y)=(-6,15) \\
15=-4 \times (-6)-9 \\
15=24-9 \\
15=15 \\
true \\ \\
(x,y)=(5,-28) \\
-28=-4 \times 5-9 \\
-28=-20-9 \\
-28=-29 \\
not \ true

D. (5,-28) is not a solution of y=-4x-9.
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