Question

The number z and 0.8 are additive inverses. Drag and drop 0.8 and z to their correct positions on the number line. Drag and drop the label “Sum” to the sum of 0.8 and z

Answer 1

I have done this before.

The answer is Z is on -0.8

and sum is on 0

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Explanation:

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Answer 2

we know that

If two numbers have a sum of zero, then we say they are additive inverses.

so

z+0.8=0 -------> the sum is equal to zero

z=-0.8------> the additive inverse of z is equal to -0.8

using a graph tool

see the attached figure

the answer Part a) and part b) in the attached figure