On a coordinate grid, point a is at (−2.0, −3.4) and point b is at (2.0, −3.4). point b is a reflection of point a across the –axis. input either a lowercase x or y.

y.

Step-by-step explanation:

When you reflect a point across the x-axis the sign of the y value changes. In the case of reflection across the y-axis the sign of the x value changes. So, for the point A(-2,-3.4) after the reflection the point B(2,-3.4) has the x value with different sign, so is a reflection over the y-axis.

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1.0

step-by-step explanation: