B would be correct the -3 x and 3 x cancel out
Horizontal means X axiz. so 6 units on the x axis. The points are always placed (x,y) which is A. (1,6) and (7,6)
I think you can use cosine rule if only the lines that form the <52 are equal.
Answer:
I don't know what kind of questions is this but first you need to show your spinner
Hello,
Answer B
x^4-52x²+576=0
==>x^4-16x²-36x²+576=0
==>x²(x²-16)-36(x²-16)=0
==>(x²-16)(x²-36)=0
==>(x+4)(x-4)(x+6)(x-6)=0
