Find y = -x² Transformed: 3 Units Left and 4 Units Up

Question

Choose the equation that represents the function

y=x2 y=-x^2

moved 3 spaces to the left

and 4 spaces up.

Video Solution

Step-by-Step Solution

To solve this problem, the following steps are necessary:

We begin with the original function:

  • y=x2 y = -x^2

First, we apply the horizontal shift of 3 units to the left. Moving a graph left involves adding a number to x x in the equation. Hence, replace x x with (x+3) (x + 3) . This manipulatively affects the original function:

y=(x+3)2 y = -(x + 3)^2

Next, we apply the vertical shift of 4 units upward. This involves adding 4 to the function:

y=(x+3)2+4 y = -(x + 3)^2 + 4

Therefore, the equation representing the parabola moved 3 spaces to the left and 4 spaces up is:

y=(x+3)2+4 y = -(x + 3)^2 + 4

Verification against the choices confirms that the correct answer is choice (1):

  • y=(x+3)2+4 y = -(x + 3)^2 + 4

This is indeed the equation that results after applying the given transformations to the original function y=x2 y = -x^2 .

Answer

y=(x+3)2+4 y=-(x+3)^2+4