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3 votes
Is this Linear y=4000-70x if it is how do you know

User Deek
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2 Answers

7 votes
Yes... It goes in a straight line

User Rubish
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if we rearrange this we get y=-70x+4000 (only swapped them around) which is the same as the linear equation of y=mx+c as m is -70 and c is 4000 so it is linear


User Stu Pegg
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