Help me triple plz ill give medal last question @iGreen and @sleepyjess
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OpenStudy (anonymous):
OpenStudy (anonymous):
last one well actially one right after this one is las one i promise
OpenStudy (igreen):
What's the y-intercept of the line?
OpenStudy (igreen):
The y-intercept will be where the line crosses the line that goes up..and where's that? @Darknight200
OpenStudy (anonymous):
idk
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OpenStudy (anonymous):
wat is it
OpenStudy (anonymous):
i truly dk
OpenStudy (anonymous):
can u tell me
OpenStudy (igreen):
It crosses at 5..which means the y-intercept is 5.
The options are in the form of y = mx + b, where b = y-intercept.
And since the y-intercept here is 5, that means that the only answers can be B and D..now let's find the slope.
OpenStudy (anonymous):
ok
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OpenStudy (igreen):
It gives us two points. (4, 33) and (8, 61).
Let's use these to find the slope.
\(m = \dfrac{y_2-y_1}{x_2-x_1}\)
\(m = \dfrac{61-33}{8-4}\)
Subtract the numerators and the denominators:
\(m = \dfrac{28}{4}\)
Can you divide 28 / 4? @Darknight200
OpenStudy (anonymous):
is 7
OpenStudy (anonymous):
@iGreen
OpenStudy (igreen):
Yep, so the slope is 7, and the y-intercept is 5.
That means our equation is y = 7x + 5..Option D.
OpenStudy (anonymous):
thanks so mush i have one more but u probably are tired so......
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OpenStudy (igreen):
No, it's fine. Ask as many as you want :P
OpenStudy (anonymous):
ok 1 more
OpenStudy (anonymous):
OpenStudy (anonymous):
get it
OpenStudy (igreen):
y increases by 10 every time x increases by 1..
x = 6, y = 65
So what's 65 + 10? @Darknight200
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OpenStudy (anonymous):
75
OpenStudy (anonymous):
is that the answer
OpenStudy (igreen):
Yep, that's the answer.
OpenStudy (anonymous):
ok wanna see my score
OpenStudy (anonymous):
i gotta 100 :D lol thx so mush
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