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const2013 [10]
3 years ago
14

THIS IS CHALLENGING. THIS WILL DEFINITELY PROVE THAT YOU ARE SMART!!

Mathematics
2 answers:
Greeley [361]3 years ago
5 0

y = 2x + 13


Positive value:

2x + 13 > 0

2x > -13

x > -6.5


Negative value

2x + 13 < 0

2x < -13

x < -6.5

pogonyaev3 years ago
4 0

y=2x+13

y>0 would be a positive value

2x+13>0

subtract 13 from each side

2x >-13

divide by 2

x > -13/2

x > -6 1/2

y < 0 is a negative value

2x+13 < 0

2x<-13

x < -13/2

x < -6 1/2

if x > -6 1/2  it has a positive value

if x< -6 1/2 it has a negative value

x= -6 1/2  it equals 0

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