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OpenStudy (testing123guest):
Mehek (mehek14):
For the first one, substitute the value of x that they give you into the equation
Mehek (mehek14):
like for C, they gave you 3
so solve
\(\tt{y=1.3*3}\)
OpenStudy (testing123guest):
3.9
Mehek (mehek14):
yes so for C, the y coordinate is 3.9
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Mehek (mehek14):
for D, you have -6
\(\tt{y=1.3*(-6)}\)
OpenStudy (testing123guest):
@AlexandervonHumboldt2
OpenStudy (alexandervonhumboldt2):
yeah i'm here
OpenStudy (testing123guest):
cool give me a sec to answer
OpenStudy (testing123guest):
-7.8
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OpenStudy (alexandervonhumboldt2):
yeah -7.8
Mehek (mehek14):
So Point C (3,3.9)
Point D(-6,-7.8)
Mehek (mehek14):
For the second question, you substitute the answer choices into the equation.
Mehek (mehek14):
so like A
(-1,-12)
\(\tt{-12=12*(-1)}\)
is that true?
OpenStudy (testing123guest):
yes it is true
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OpenStudy (testing123guest):
is there a way we can make this a little bit faster i need to get done soon
Mehek (mehek14):
yea sure
OpenStudy (testing123guest):
*soon*
Mehek (mehek14):
But I want to make sure you understand how to solve
OpenStudy (testing123guest):
i know i am just on a time crunch
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Mehek (mehek14):
So you want answers or how to solve?
OpenStudy (testing123guest):
both but faster but its cool no rush
Mehek (mehek14):
ok so it's not B because
-1 = 12*(-12) <-- not true
C is correct because
12 = 12*1
D is incorrect because
1 = 12*12 <-- not true
so the answers to the second question are A and C
OpenStudy (testing123guest):
for the second question
Mehek (mehek14):
yes second question
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OpenStudy (testing123guest):
cool i got that on know
Mehek (mehek14):
third question:
slope is -1.5
that means the line is going down so it can't be B or C
Mehek (mehek14):
the correct graph would be A
OpenStudy (testing123guest):
cool now this is better
Mehek (mehek14):
ok fourth question:
line is going up so positive slope
so between A and B
the correct answer would be B
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OpenStudy (testing123guest):
where did u go
OpenStudy (testing123guest):
sorry my computer said u left
OpenStudy (testing123guest):
cool one more
Mehek (mehek14):
ok last question
use the points (-1,5) and (1,-5)
slope formula
\(\dfrac{-5-5}{1-(-1)}=\dfrac{-10}{1}=-10\)
so slope is -10
Mehek (mehek14):
and that's it ^_^
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