What is the solution of n2 – 49 = 0? (1 point)
–7
7
±7
no solution
9 answers
±7
What is the solution of x2 + 64 = 0? (1 point)
–5
8
±8
no solution
–5
8
±8
no solution
±8
What is the side length of a square with an area of 144x2? (1 point)
12
12x
±12x
no solution
12
12x
±12x
no solution
±12x
What is the value of b in the triangle shown below?
(1 point)
–4 in
4 in
±4 in
no solution
(1 point)
–4 in
4 in
±4 in
no solution
4 in
What is the value of z so that –9 and 9 are both solutions of x2 + z = 103?
(1 point)
–22 3 22 184
(1 point)
–22 3 22 184
22