Answer:
-2 , 4
Step-by-step explanation:
(x - 1)² – 9=0
(add nine to both sides)
(x - 1)² = 9
(square root both sides)
x - 1 = (positive or negative) 3
(add 1)
x = 4 or -2
Answer:
Reflection over the Y axis-
Step-by-step explanation:
Answer:
Triangle A
Step-by-step explanation:
An equilateral triangle has equal side lengths.
Hence, the correct option from the given is :
<u><em>Triangle A</em></u><u><em> has three sides each measuring 7 units.</em></u>