WGU D412 Discrete Math (142 questions with answers) Western Governors University

WGU D412 Discrete Math (142
questions with answers) Western
Governors University
Correct 142

Incorrect 0


Next steps


142 missed terms

Practice terms in Take a new test
Learn
Try another test to
Practice your missed
boost your
terms more until you
confidence.
get them
right.




Your answers
1 of 142

Term



What is the logical equivalence of ¬(p ∧ q) ≡ ?



Give this one a try later!



-1, 0, A x B = { {a,1} , {a,0} , {b,1} , {b,0} }
1



(¬p ∧ ¬q) (¬p ∨ ¬q)

, Don't know?




2 of 142

Term



The only real numbers that satisfy |x| = x2 are what?



Give this one a try later!



-1, 0, 1 -2, 0, 2




-1, 1, 3 -2, -1, 0


Don't know?




3 of 142

Term



Give DeMorgans Law for QUANTIFIED STATEMENTS
(there are 2 laws)



Give this one a try later!



or ∀x (¬p(x) ∧ ¬q(x))




q

, ¬∀xP(x) ≡ ∃x¬P(x)
¬∃xP(x) ≡ ∀x¬P(x)


Don't know?




4 of 142

Term



A = { 2, 3, 5, 7, 14 }
{ 2 } ∈ P(A)
True or False



Give this one a try later!



{a, b, c, d, e, f, g}. Trail




False (The elements of P(A)
are all subsets of A. 2 is an True
element of A, which is
written as 2 ∈ A)


Don't know?




5 of 142

Term



What is the notation for integers?



Give this one a try later!

, OR ℤ




∈ {}


Don't know?




6 of 142

Term



Is the following statement true?For any two sets, X and Y,
if X ⊂ Y, then X ⊆ Y.
Yes
No



Give this one a try later!



Yes (If X ⊂ Y, then
True (the cardinality of F and
every element of X
E are the same)
is also an element
of Y, so X ⊆ Y.)




A x B = { {a,1} , {a,0} , {b,1} , {b,0} } No. X is not bound


Don't know?




7 of 142

Term