How do you know (2, 1) is a solution to 4x+y=9?
Select all that apply.
1.[] The coordin...
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Mathematics, 15.02.2021 21:30 anisabellanda
How do you know (2, 1) is a solution to 4x+y=9?
Select all that apply.
1.[] The coordinate lies on the line
2.[] When substituting x=2 and y=1 into the equation, you get a true statement .
3.[] (2,1) is a positive and so is all the numbers in the equation
4.[] 9-4=5 and 2(2)+1=5
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