Verbal expression for 9a2
2 answers:
Answer:
9 times 'a' squared.
Step-by-step explanation:
We are asked to represent the verbal description for our given expression .
We can see that in our given expression 9 is multiplied by a variable raised to second power.
We know that a variable raised to second power is known as variable squared.
Therefore, the verbal description for our given expression would be 9 times a variable 'a' squared.
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Answer:
The length of the segment F'G' is 7.
Step-by-step explanation:
From Linear Algebra we define reflection across the y-axis as follows:
,
(Eq. 1)
In addition, we get this translation formula from the statement of the problem:
,
(Eq. 2)
Where:
- Original point, dimensionless.
- Transformed point, dimensionless.
If we know that and
, then we proceed to make all needed operations:
Translation
Reflection
Lastly, we calculate the length of the segment F'G' by Pythagorean Theorem:
The length of the segment F'G' is 7.