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Mathematical Constants Multiple Choice Questions PDF p. 68

Mathematical Constants multiple choice questions and answers, mathematical constants quiz answers PDF 68 to learn PHP course for college certification. Learn PHP Math Functions MCQ trivia questions, mathematical constants Multiple Choice Questions (MCQ) for online college degrees. Mathematical Constants Interview Questions PDF: perl compatible regular expressions, deleting from arrays, php: regular expressions, unbound variables, mathematical constants test prep for BSc computer science.

"Which mathematical constant notation is used for square root?" MCQ PDF with choices sqrt (2), sqr ( ), 1/sqrt ( ), and none of them for free online classes. Solve php math functions questions and answers to improve problem solving skills for online computer science schools.

Mathematical Constants Questions and Answers MCQs

MCQ: Which mathematical constant notation is used for square root?

sqr ( )
sqrt (2)
1/sqrt ( )
None of them

MCQ: PHP is different from other languages because variables do not have to be

Bounded
Declared before being assigned
Character type
Integer type

MCQ: By using special wildcards for matching a string which function is used?

Strtok
Tokenizing
Delimiter
Regex

MCQ: For getting rid of an assigned variable in an array which function is used?

delete_array ( )
reset_array
reset ( )
unset ( )

MCQ: In Perl-compatible patterns any pattern that is followed by ? this means that

Match this pattern 1 or more times
Match this pattern exactly 1 time
Match this pattern 0 times
None of them