Question

Determine the values of y in the equation y2 = 169. y = 84.5 y = ±84.5 y = 13 y = ±13

Answer 1

Answer: D. y= ±13

Explanation:

Answer 2

y = ± 13

Explanation:

If y² = 169 then y = √169

√169 is either +13 or -13

This is usually written using the plus/minus sign

√169 = ± 13