OpenStudy (anonymous):

help!

2 years ago
OpenStudy (chosenmatt):

with?

2 years ago
OpenStudy (chosenmatt):

welcome to openstudy if you need help with anything just tag me =)

2 years ago
OpenStudy (anonymous):

Which function will start at the y-axis at (0,7) A:Y=7X b:Y=X+7 C:y=x-7 D: y=x+5

2 years ago
OpenStudy (anonymous):

@chosenmatt

2 years ago
OpenStudy (secret-ninja):

The formula for a line on a graph is y=mx+b , where the "+b" is the y intercept. Knowing this, what do you think the answer is? @Ashleyrh1999

2 years ago
OpenStudy (chosenmatt):

what do you think? ^^^

2 years ago
OpenStudy (anonymous):

I don't know that why I asked

2 years ago
OpenStudy (secret-ninja):

This is the basic "blueprint" of the equation: \[y=mx+b\] The \(\cal\small{b}\) is where the y intercept goes through the line. |dw:1421950451423:dw| Since it crossed at the 4, its intercept is 4. For your question, it crosses at the 7, so it would have to be: \[y=mx+7\]

2 years ago
OpenStudy (secret-ninja):

@Ashleyrh1999

2 years ago
OpenStudy (secret-ninja):

That would make it B. Do you understand?

2 years ago
OpenStudy (secret-ninja):

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2 years ago