Answer:
C
Step-by-step explanation:
Use the formula for the discriminant.




Answer is Median Option(C.) since it divides RS into two equal halves i.e.RQ=QS=7
Hope this helps....
Answer:
1. 1/x = 8
Answer = 8x-1
2. 8x+1=3
Answer ; x=1/4
3. 7= 14/X
Answer ; x = 2
4.1/2x^2 = 2
Answer ;x=2
Step-by-step explanation:

Answer:
15⁰
Step-by-step explanation:
a straight line is 180⁰. 180-165=15