To square means to multiply something by itself. A variable is a letter such as x. So a squared variable=x×x=x^2.
I hope that helped.
Answer:
It is C. Linear pairs make a 180 degree turn. Hope this helps!
Step-by-step explanation:
2+1=3 is not an identity property. The rest are because the value equals itself after dividing, subtracting, and multiplying.
Since anything multiplied by zero produces zero, we can say 0(a + 1) = 0 and (2a - 2)(0) = 0.
Thus, 2a - 2 = 0 or a + 1 = 0
2a = 2
a = 1
a = -1
We can conclude that a = 1 or - 1 will produce the end result as 0.
