How do you write y=-0.4x+1.2 in standard form?

Abbie Mcgrath

Abbie Mcgrath

Answered question

2022-01-31

How do you write y=-0.4x+1.2 in standard form?

Answer & Explanation

seibesitoeu

seibesitoeu

Beginner2022-02-01Added 12 answers

Explanation:
The (normally accepted) definition of standard form for a linear equation is:
Ax+By=C with A,b, CZ and A0
(occasionally you may see an added restriction that the gcd (A,B,C)=1
Which I have supplied a second answer; check with your instructor).
Given y=-0.4x+1.2
Convert everything to integers (elements of Z) by multiplying all terms on both sides by 10
10y=-4x+12
Add (4x) to both sides to get "standard form"
4x+10y=12
(Divide all terms by 2 to reduce so gcd = 1)
2x+5y=6

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