1. ±7
2. no solution
3. ±12x
4. 4 in
5. 22
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
4. What is the value of b in the triangle shown below?
(Image: A right triangle is shown. The left leg equals 3 b. The lower leg equal b. The area of the triangle equals 24 square inches.) (1 point)
–4 in
4 in
±4 in
no solution
5. What is the value of z so that –9 and 9 are both solutions of x² + z = 103?
–22
3
22
184
answer
2 answers
for #3, -12 cannot be a side length