A student took a test which had 6 questions. He would score 8 points on the test if all his answers are correct. If y represents
the student's score when he got x questions incorrect, which graph best represents this situation?
2 answers:
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Answer:
Choice B), .
Step-by-step explanation:
Each point on the graph of can be represented as
.
When the graph of is reflected over the x-axis, each point on the graph is also reflected over the x-axis. The x-coordinate of each point will not change but the sign in front of the y-coordinate will flip. For example,
(same as
) will become
, and vice versa. In general,
will become
.
On the other hand, points on the graph of can be represented as
.
is the reflection of
, so
and
shall be equivalent. In other words,
.
Answer:
Volume of a cube= 1/8 cubic meter
We know that volume of a cube= side x side x side
=
From here, we get side of cube= meter
Hence, the side of a cube = meter
We have to find a fraction, when it is multiplied by itself
x
=
Here we get our answer