Substitue 2x for y in the second equation:
Rearrange to
Factor:
Zeros are
To find y-coordinates of pts of intersection, plug these x-values into first equation to get
If you are a member of this class, what is the probability that at least one of the other 11 students rolls the same number as y
1 answer:
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Substitue 2x for y in the second equation:
Rearrange to
Factor:
Zeros are
To find y-coordinates of pts of intersection, plug these x-values into first equation to get
Answer:
Step-by-step explanation:
Given
Represent point A as thus;
Required
Determine the new position of A, when rotated counterclockwise
The new position will be denoted as A'
When a point is rotated counterclockwise, we start by switching the positions of x and y as follows:
Then, y is negated to give A'