1. What is the solution to n^2 -49=0

Question

A.-7
b.7
c. (upside down T in front of the 7) 7***
d. no solution

2. what is the solution of x^2 +64=0
a. -5
b. 8
c. (upside down T in front of the 8) 8
d. no solution***

3.What is the side length of a square with the area of 144x?
a.12
b.12x***
c.(upside down T in front of the 12x) 12x
d. no solution

4. what is the value of b in the triangle shown below?
a.-4in
b.4in***
c.(upside down T in front of the 4in) 4in
d. No solution
(3b is on the left side of the triangle and b is at the bottom, it says 24 in ^2 in the middle)

Answer 1

I agree with 1, 2, and 4
The upside down T you mention is a + or - notation.

I agree with 3 if the original problem was 144x^2

Answer 2

ok, thank you