tmua.fyi Paper 2 Challenge 1 · Question 10

Community mocks

tmua.fyi Paper 2 Challenge 1 · Q10

Paper 2Logic & proof

The statement “For every real number $x$ there is a real number $y$ with $y^2=x$ ” is false. Its correct negation is:

AFor every real

x

there is no real

y

with

y^2=x

BThere is a real

x

such that, for every real

y

y^2\ne x

CThere is a real

y

with

y^2\ne x

for every real

x

DFor every real

y

there is a real

x

with

y^2=x

ENo real number has a real square root

Read the questions freely. Sign in to check your answer, see the worked solution and save your progress.