Multiply numerator and denominator by the complex conjugate
Possessive
Girl’s room=1 girl with 1 room
Girls’ rooms=many girls with many rooms
Girls’ room=many girls with 1 room
Girl’s rooms=1 girl with many rooms
Contractions vs. Possessive
They’re=They are
It’s=It is
Its=possessive (The dog chews its bone)
Its’ NOT A WORD NEVER PICK THIS
Their=Possessive plural (My friends like their Iphones.)
She’s=She is
Transition words
Be extremely careful when choosing the correct transition word. Several options may be grammatically correct, but only one will make sense in context.
Some transition words indicate a contrast: however, although, since, regardless, in contrast to
Some transition words are used for a concluding point or for cause and effect: therefore
Some transition words are used to make an additional remark without contrast: for example, indeed, in addition to
Parallel structure
Sarah enjoys the music of Chopin more than Beethoven.
INCORRECT
Corrected version: Sarah enjoys the music of Chopin more than the music of Beethoven.
Yael enjoys swimming, running, and to practice yoga.
INCORRECT
Corrected version: Yael enjoys swimming, running, and practicing yoga.
To trust ones instinct is often being misguided.
INCORRECT
Corrected version: To trust one’s instinct is often to be misguided.
Remember the top 3 rules for factoring:
GCF-take out what is common
DOS=difference of squares
Inverse foil-set up parentheses
***Don’t forget, sometimes you factor out that which you are solving for.
Example: Find and expression for m in terms of n if 3mn+4n=9m+12 → 3mn-9m=12- 4n → m(3n-9)=12- 4n
READING: For vocab in context, reread the sentence 4 times plugging in each option.
READING: For reading passages, read the passage FIRST and then answer all questions.
Overall-stay calm. Remember how prepared you are. NO colleges will see your PSAT score. Do the best you can. Watch the clock and don’t let your nerves take over.