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So I've been sitting on this two part question and I just can't get it. Someone please help me. Thanks

Which equation does not belong with the other three?


a) y=−5x−1

b) 2x−y=8

c) y=x+4

d) y=−3x+13





Explain your reasoning.


a) The slope of this equation is negative.

b) The y-intercept of this equation is negative.

c) The equation is in standard form.

d) The slope of this equation is positive.

Respuesta :

gabbyjoy
It’s b; both a and b are the basically the same equation so neither one will work and all of them are in standard form so c won’t work
Answer is C and D.
Reasoning: If you convert all equations into form y=mx + c where m is slope and c is the intercept, you can see that only c) y=x+4 has the slope (m) as positive (which is D in second part)
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