Answer:
C. D:{0, 1, 2, -4}- R:{1, -3, -4}
Step-by-step explanation:
Step 1 ) Move all terms right side of the equation.



Step 2 ) Apply quadratic formula. (Note: There are 2 solutions)



,

Step 3 ) Simplify.
,

,

Since the options only provide one of the answer we found, the answer is...

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•
- <em>Marlon Nunez</em>
Answer: sometimes
Step-by-step explanation:
Answer:
If
y
varies inversely as
x
then
XXX
x
⋅
y
=
c
for some constant
c
We are told when
x
=
2
then
y
=
15
So
XXX
2
⋅
15
=
c
XXX
⇒
c
=
30
and
XXX
x
⋅
y
=
30
Therefore when
y
=
3
XXX
x
⋅
3
=
30
XXX
→
x
=
10
Step-by-step explanation: