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26-01-2020
Mathematics

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What is an equation of the line that passes through (0, 8) and (4, 0)?

y = 2 x + 8
y = 2 x + 4
y = -2 x + 4
y = -2 x + 8

Respuesta :

26-01-2020

Step-by-step explanation:

Say y=ax+b. It goes through (0,8) and (4,0). Therefor we can say 8=a(0)+b which gives us b=8. Then we fill in (4,0) which results in 0=a(4)+8. Given that, a=-2. so y=-2+8

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