Model and solve the followingequations:3x +3 = 2x + 75x + 2 = 3x = 12
1 answer:
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Any point with coordinates (x, y) reflected across the y-axis is going to have the opposite x value that it did before.
You should be able to find the coordinates yourself for part a. (you didn't provide the original ones so I can't help you there)
Here is the "rule" for a reflection across the y-axis:
And when we go 1 unit to the right and 2 down, that's the same as
Combining those into one rule is pretty simple, Use our result for the first in the second and we would get
, so the rule is
.
Part A is asking for the coordinates after the reflection (x, y) ⇒ (-x, y).
Part C is asking for the coordinates after the full translation ⇒ (-x+1, y-2)
You should be able to find the coordinates yourself for part a. (you didn't provide the original ones so I can't help you there)
Here is the "rule" for a reflection across the y-axis:
And when we go 1 unit to the right and 2 down, that's the same as
Combining those into one rule is pretty simple, Use our result for the first in the second and we would get
Part A is asking for the coordinates after the reflection (x, y) ⇒ (-x, y).
Part C is asking for the coordinates after the full translation ⇒ (-x+1, y-2)