Are x-(-4) and x+4 equal?
2 answers:
Answer:
yes they are
Step-by-step explanation:
If you distribute the minus then the 4 becomes positive.
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Answer:
yes
Step-by-step explanation:
x - (-4)
Apply rule - (-a) = a:
⇒ x + 4
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Answer:
y=3x+13
Step-by-step explanation:
y=mx+b
y=3x+b
so now we plug in the coordinates
1=3(-4)+b
1=-12+b
b=13
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