Question

1. What is the solution of n² – 49 = 0? (1 point)

–7
7
±7
no solution

2. What is the solution of x² + 64 = 0? (1 point)
–5
8
±8
no solution

3. What is the side length of a square with an area of 144x²? (1 point)
12
12x
±12x
no solution

5. What is the value of z so that –9 and 9 are both solutions of x² + z = 103? (1 point)
–22
3
22
184

Answer 1

1. The solution of the equation is the third option.
2. The equation has no real solution because the answers are both imaginary numbers.
3. The side length of a square with an area of 144x² is 12x.
5. The value of z so that 9 and -9 are both solutions is equal to 22.