Find the slope of the line that passes through the points (5, 8) and (9, 4).
A. 3
B. 1
C. -1
D. four-thirds
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OpenStudy (kc_kennylau):
slope=\(\dfrac{y_2-y_1}{x_2-x_1}\)
OpenStudy (anonymous):
A?
OpenStudy (kc_kennylau):
nope
OpenStudy (anonymous):
I got 2, but that's not an option.
OpenStudy (kc_kennylau):
just substitute the numbers into the formula first :)
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OpenStudy (anonymous):
I still didn't get anything.
OpenStudy (kc_kennylau):
ok i'll help you substitute but you must cal the rest yourself
OpenStudy (kc_kennylau):
slope
\(=\frac{4-8}{9-5}\)
OpenStudy (anonymous):
so c?
OpenStudy (kc_kennylau):
BINGO :D
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OpenStudy (anonymous):
Thank you soooo much!. Could you help me with a few more if you have time please?
OpenStudy (kc_kennylau):
no problem and ofc :)
OpenStudy (anonymous):
Write an equation of a line in slope-intercept form that is parallel to x + 4y = 6 and passes through the point (-8, 5)
A.
y=−14x+3
B.
y=−14x+6.75
C.
y = x - 13
D.
y = x + 13
OpenStudy (kc_kennylau):
Express the equation in point slope form first
OpenStudy (anonymous):
So would that be y=mx+b?
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