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

Example: x^2 – 36 = x^2 – 6^2 = (x – 6) (x + 6) Is this a trinomial? Sometimes, an expressi ...

With the power of factoring, you can solve most quadratic equations you will encounter. Factoring involves ...

2 x^2 – 4x + 3x – 6 Now we’re going to group it by factoring out the greatest common factor of the fir ...

Now solve each equation for x. You should come up with two solutions: x can be either −^3 / 2 or 2. P ...

Sooner or later, you’ll try to solve a quadratic equation that looks something like this: 5x^2 – 3x ...

f (x) = x + 7 All this means is that whatever number (x) we input, we add 7 to find our output. It ...

1 8 2 9 3 10 We’re going to talk about more ways to use those charts in a bit, but for now ...

—Samantha For these problems, we need to replace the “f (x)” symbol with its equation. It should now read ...

Clearly, the lowest number is 0, and the highest is 9. So B is the right answer. Notice that if you had plug ...

The Evil Testing Serpent likes to test your ability to move back and forth between a function and its gr ...

point, then it is a function. If your vertical line touches at more than one point (think of a ci ...

SPECIAL FUNCTIONS We are going to talk about the graphs of particular equations in the Coordinate Geometry ...

things POLYNOMIAL DIVISION Another type of problem you might run into involves “dividing polynomials.” If you co ...

distribute the negative sign to both terms. –(2x^2 – 6x) = – 2 x + 6x. Then draw another line and com ...

Because there is a remainder, we know that (x – 3) is not a factor of (2x^2 – 5x – 1). —Samantha Th ...

ADDITIONAL TOPICS Congratulations! You’ve reached the last content area for the Math Test. And we’ve saved t ...

Parallel lines cut by another line: These things are full of congruent and supplementary angles. You could ...

sides. Looking at the diagram to the left, which of the following is a possible length of side x? A) 19 B) ...

triangles: Continuing along this line of thought, here are two similar fish: Same shape, different sizes. ...

So, to jump right in here, what is the measure of angle x if A and B are similar triangles? Answer: x = ...