Point k is located on the y-axis 8 units away from the origin. what are the coordinates of point k

1 answer:

4 0

Given:

Point k is located on the y-axis 8 units away from the origin.

To find:

The coordinates of point k.

Solution:

Since point k is located on the y-axis, therefore it means the x-coordinate is 0.

Point k is 8 units away from the origin. So, it can be either or positive or negative side of y-axis.

If k is on the negative side of y-axis then y-coordinate of point k is -8.

If k is on the positive side of y-axis then y-coordinate of point k is 8.

Therefore, the possible coordinates of point k are either (0,-8) or (0,8).

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Answer:

Rule: replace x by x - a where a is the number of units that you want to move right. a must be greater than 0. x - - a would move left.

Step-by-step explanation:

You want f(x) to move 3 units to the right.

That would mean that x would be replaced by x - 3. Just to be sure let's try it.

Suppose you have f(x) = x^2 + 6x + 5 It is graphed as the red line
Now suppose you want to move 3 units right.
It would replaced like f(x - 3) = (x - 3)^2 + 6(x - 3) + 5 which is the blue line
Notice nothing else is changed. The blue line looks exactly like the red line except that it is shifted 3 units to the right.