Cracking The SAT Premium

Once simplified, two of the three denominators become zero. That is not allowed, so the solution you foun ...

(D). If one of them does not, that one is the extraneous solution. t = 0 t = 5 = 0 − 2 = ...

However, don’t worry too much if you don’t always see the faster way to solve a problem like this one. ...

Here’s an example: If 4x + y = 14 and 3x + 2y = 13, then x − y = ? Here’s How to Crack It You’ve ...

3 a – 7b = 4d – 9 –4c + 10a = 6b + 7 –2a + 3c – 4d = 10 Given the system of equations above, what ...

Don’t Forget to Share the Love Don’t forget that when you subtract an entire equation, you need to subtrac ...

In this case, the question is asking us to solve for y, so try to make the x terms disappear. You want ...

simplify by doing the same thing to both sides. All you have to remember is that if you multiply ...

Here’s an example: If –8 < – m + 1 ≤ – , what is one possible value of m? Here’s How to Crack ...

inequalities are written with the smaller number on the left and the larger number on the right, so when you sol ...

sold. For others, it may be the price of the items being sold. Whichever piece of information you choose, use ...

Once you have your first equation, go to your answer choices to determine which answers you ...

Simplifying Expressions If a problem contains an expression that can be factored, it is very likely that ...

B) C) D) Here’s How to Crack It Depending on what you see when you approach this problem, you may choose ...

We can follow the exact same steps to factor an like you see in (A). This leaves you with the same ...

mistakes. In the next chapter, you will discover a third way to approach this problem that you may ...

Here is an example: Problem: If 2x = –1, then (2x − 3)^2 = ? Solution: Don’t solve for x; simply p ...

is x^2. x^2 + 7x + 12 = (x )(x ) Look at the number at the end of the express ...

and 4. Since 12 is positive and k is negative, then you’ll need subtraction signs in both factors. The ...

Here’s How to Crack It We are given a quadratic equation that contains two variables. In this case, wo ...