What are the solutions to the quadratic equation x2 – 16 = 0?
x = 2 and x = –2
x = 4 and x = –4
x = 8 and x = –8
x = 16 and x = –16

2nd choice: x=4 and x=-4

Step-by-step explanation:

x^2 - 16 = 0 can be simplified to (x-4)(x+4)=0

x-4 = 0 so x = 4

and x + 4 = 0 so x = -4

its b

Step-by-step explanation:

i got it right on the test

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

x+14

step-by-step explanation: