9. triangle xyz with vertices x(-3, 7), y(-2, 1), and z(-5,2:
(a) reflection: in the x-axis
(b)translations: (x, y) —> (x + 9, y + 2)

x’
y’
z’

X'(6,-5)

Y'(7,1)

Z'(4,0)

Step-by-step explanation:

First, the reflection across the x-axis. The rule for reflection across the x-axis is:

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

Next the translation. This is easy, simply add 9 to all x values, and 2 to all y values.

step-by-step explanation:

step-by-step explanation:

for volume, add base x height x width