Identify a Reflection in the y-axis | 8.G.A.3

The video tutorial explains how to reflect triangle JKL across the y-axis on a coordinate plane. It guides students through the process of determining the correct reflected image from multiple choices. The tutorial includes a pause for students to make their own choice before revealing the correct answer. The video concludes with a summary and an invitation to explore more math tutorials.

What is the initial task given to the student in the video?

• To reflect triangle JKL across the x-axis.

• To find the area of triangle JKL.

• To reflect triangle JKL across the y-axis.

• To draw a triangle on the coordinate plane.

When reflecting a point across the y-axis, what happens to its x-coordinate?

• It is halved.

• It is doubled.

• It remains the same.

• It is negated.

Which quadrant does the reflected image of triangle JKL NOT appear in?

• Fourth quadrant

• Third quadrant

• Second quadrant

• First quadrant

How many coordinate planes are given to choose from for the reflected image?

• Three

• Four

• Five

• Two

Which answer choice correctly shows the reflected triangle J'K'L'?

• Answer choice B

• Answer choice C

• Answer choice A

• Answer choice D