Up Your Score SAT, 2018-2019 Edition The Underground Guide to Outsmarting The Test

3 A survey was given to a high school student body, in which they were asked to choose their favorite ...

$15,250 over a total of 8 years? Notice that n for this problem is 8; the average is 5 If Paul ate 300 ...

C) 1530 D) 1550 We know that our list includes 8 values, so our median would be the average of the fou ...

HEART OF ALGEBRA WARNING: Serious spoilers ahead. Do not read if you want to be surprised by the problems ...

x + 36 – 36 = 40 – 36, which means that x = 4 Now check it by substituting 4 for x in the or ...

x – y = 17 What is y + 12? A) x B) x + 5 C) x – 5 D) It cannot be determined from the infor ...

Inequalities Inequalities work the same way as normal equations. Check it out: But there is one crucial differ ...

Why are there two possibilities? Because 4^2 = 16 and (–4)^2 = 16. Let’s try graphing both on the number ...

10 x + 16y = 22 Subtract the bottom equation from the top one: Then take either equation and plug ...

Now that you know x, finding y is a breeze. Just plug your x back into the second equation. Then ...

As you can see, those two equations form parallel lines with different y intercepts. Because they never ...

Plugging In When faced with complicated algebraic expressions, test takers can get confused or flustered. A ...

Word Problems One of the Evil Testing Serpent’s favorite activities is to disguise algebra problems within ...

minutes left. If each costs $.50, then altogether that costs $2 more, for a total of $6. Which answe ...

y ≥ 20 D) 350x + 200y ≥ 25,000 x + y ≤ 75 x ≤ 15 y ≤ 20 Sure, you can pick a number for x ...

If . So when x = 24, our equation becomes y is approximately 6.25 PASSPORT TO ADVANCED MATH “Attention, ...

D) 729 First of all, figure out what they’re really asking you. If x is square-rooted and then cube-roo ...

D) 12 This question looks impossible because the bases (3 and 27) are different, so we can’t apply our expo ...

AN ENLIGHTENING CARROT DIAGRAM So remember, a fractional exponent is just . Example 2: 4⅔ = ? First, you ...

Then, in order to get the radical by itself, you have to divide both sides by (½) or multiply both sides ...