Question

Determine the value of y, if x is 5.
y = (x - 10)²

Answer 1

y = -1

Explanation:

The two lines around x is the absolute value symbol. Absolute value is how far away a number is from 0 on a number line. -10 is 10 points away from 0, so it is now 10.

y = 10 - 11

y = -1