Try the following SAT math practice question (No Calculator) that tests your ability to manipulate and factor algebraic expressions in an efficient manner.

Which of the following is equivalent to the expression $(2x-4)^2 – 2(x-2)$ ?

1. $\quad 2(x-2)(2x-3)$
2. $\quad 2(x-2)(2x-5)$
3. $\quad 4(x-2)(x-3)$
4. $\quad 4(x-2)(x-5)$

 
Try the following SAT math practice question (Calculator permitted) that tests your understanding of percentage change.

The price of a share of stock $X$ increased by $25\%$ from $2010$ to $2012$ and then decreased by $15\%$ from $2012$ to $2014$. If the price of a share of stock $X$ was $\$84$ in $\underline{2012}$, what was the change in the price of a share of stock $X$ from $2010$ to $2014$?

1. $\quad \textrm{Increase of $\$4.20$}$
2. $\quad \textrm{Decrease of $\$4.20$}$
3. $\quad \textrm{Increase of $\$8.40$}$
4. $\quad \textrm{Decrease of $\$8.40$}$

 
Try the following SAT math practice question (No Calculator) that tests your understanding of the relationship between roots and fractional exponents.

Which of the following is equivalent to $x^{\frac{4}{3}}$, where $x > 0$ ?

1. $\quad x \sqrt[3]{x}$
2. $\quad \sqrt[3]{x^4}$
3. $\quad \sqrt[4]{x^3}$

1. $\quad \textrm{I only}$
2. $\quad \textrm{II only}$
3. $\quad \textrm{I and II only}$
4. $\quad \textrm{I and III only}$