The Official (CollegeBoard) SAT Math 1 - Practice 1
注意raw score 不是做对题的数目，要减去错的题数 ×0.25。做对38道题，做错12道题。
38 － 12 ×0.25 = 35, 分数650. 。几乎都是粗心。也是很久不做题了。
Q29角: alternate interior angle
Q47角: inscribed angleangle
Q4: I can't believe I make a mistake on Q4
Q5: I calculate as a0 + b0 = 100, x should be x = 180 - 100 = 800. 太粗心，不仔细看题。
Q9: Two ways to solve it
How To Find The Inverse of a Function: https://www.youtube.com/watch?v=2zeYEx4eTdc
f (f-1(y) ) = y or f (f-1(x) ) = x 是y or x 是一样的， 重要的是mapping后，又回到原值
'
No comments:
Post a Comment