You would multiply by
.
When you rationalize the denominator, you multiply by the conjugate of the denominator. The conjugate is the same numbers and radicals, but with the sign of the radical switched.
Answer:
1
Step-by-step explanation:
5/7+2/7 add the numerator to equal 7/7 simplify to 1/1 equals 1
A=2,h=5,k=0 and the vertex,which is (h,k) is vertex (-5,0)
Answer: A
Step-by-step explanation:
Use pythagorean thm to solve for the hypotenuse. so is 13.4
I might be wrong but I say 16