Question

Which biconditional is NOT a good definition?
A. A whole number is even if and only if it is divisible by 2.

B. A whole number is odd if and only if the number is not divisible by 2.

C. An angle is straight if and only if its measure is 180.

D. A ray is a bisector of an angle if and only if it splits the angle into two angles.

Answer 1

@calculusxy

Answer 2

C is wrong

Answer 3

D

Answer 4

Am I correct?

Answer 5

i dont know i am asking you

Answer 6

Oh I thought you could already check it. But I am pretty sure about that.

Answer 7

What is a counterexample for the conjecture? Conjecture: The product of two positive numbers is greater than the sum of the two numbers.
A. 3 and 5

B. 2 and 2

C. A counterexample exists, but it is not shown above.

D. There is no counterexample. The conjecture is true.

Answer 8

again C is wrong

Answer 9

i was thinking A am i right

Answer 10

B since they both are the same