Irina wants to tile her floor using the translation shown below. Which is the rule for this translation?
1 answer:
In the case of Irina shown below, the rule for this translation that is best is T-3, 2(x, y).
<h3>What is the translation about?</h3>Note that we know that the tile floor is said to be shifted or moved to the left hand side by 3 units, and also it was moved up by 2 units (See image).
Therefore, this can be shown as:
(x,y) -> (x - 3, y + 2)
This in another method can also be written as:
T -3,2 (x,y)
Therefore, we can say that the translation rule is T -3,2 (x,y)
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Answer:
Part A) the direct variation equation that relates x and y is:
Part B) value of y = 75
Step-by-step explanation:
Part A)
We are given that y varies directly with x, and y=10 when x=-2 what direct variation equation relates x and y?
If x and y are directly related then:
y ∝ x or y=kx
where k is constant of proportionality.
Now, finding k:
y=10 and x=-2
So, value of k = -5
So, the direct variation equation that relates x and y is:
Part B)
What is the value of y when x = -15
the equation is:
Putting x = -15
So, value of y = 75
Keywords: Direct Variation
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Answer:
Rocket B reaches a maximum height that is greater than the maximum height of Rocket A.
Step-by-step explanation:
A graph quickly shows the answer to this question.
__
In vertex form, the equation for Rocket A is ...
y = -6(x² -16x +8²) +6(8²)
y = -6(x -8)² +384 . . . . . . . . . maximum height is 384 feet
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The corresponding equation for Rocket B is ...
y = -4(x² -20x +10²) +4(10²)
y = -4(x -10)² +400 . . . . . . . . maximum height is 400 feet
Rocket B reaches a maximum height greater than that of Rocket A.
Answer:
It is
Step-by-step explanation:
- The ratio of y to x is always 11, so they are directly proportional