Posted by **Gayle ** on Saturday, November 9, 2013 at 1:21pm.

Describe the effect of the transformation.

(x,y)--->(x,-7y)

A. Vertical translation of -7 units.

B. Vertical stretch without reflection

C. Horizontal translation of -7 units

D. Vertical stretch without reflection

Is the answer A

- Algebra 1 -
**Gayle **, Saturday, November 9, 2013 at 1:22pm
D.Vertical stretch with reflection

It was supposed to say this

- Algebra 1 -
**Reiny**, Saturday, November 9, 2013 at 2:42pm
y---->7y would "stretch" it by a factor of 7

y ---- -7y would not only stretch it but also reflect it in the x-axis.

so it looks like D after your correction of the wording

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