Mathematics
8 Online
OpenStudy (anonymous):
What type of line is the graph of 4x + y = −3? (1 point)
Vertical
Horizontal
Rising
Falling
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OpenStudy (blackstreet23):
y = -4x-3
OpenStudy (blackstreet23):
finding its slope we get that the slope is. 4
OpenStudy (blackstreet23):
finding the slope it is -4
OpenStudy (blackstreet23):
therefore it is decreasing or falling
OpenStudy (anonymous):
Yes, but I tried to do the question but the line on the graph came out weird
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OpenStudy (blackstreet23):
or you can also graph it
OpenStudy (anonymous):
but i dont understand
OpenStudy (blackstreet23):
umm do you know what is a derivative?
OpenStudy (anonymous):
yes
OpenStudy (blackstreet23):
the derivative is the same as the slope
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OpenStudy (blackstreet23):
if you want to check if the graph is increasing or decreasing. you do the derivative
OpenStudy (blackstreet23):
if the derivative is greater than zero the graph is increasing
OpenStudy (blackstreet23):
and if is less than 0 the graph is deacreasing
OpenStudy (anonymous):
Thanks! I get it now. Just took a moment to understand
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OpenStudy (blackstreet23):
you can also graph it here and check it
OpenStudy (blackstreet23):
you always see the graph from left to right
OpenStudy (blackstreet23):
so that way you can see if it is increasing or decreasing