Try the following SAT math practice question (Calculator Permitted, Grid in question) that tests your understanding of percentage relationships involving algebraic variables.

If $n$ is a positive number, and $m\%$ of $2n$ is $8n$, then what is the value of $m$?

 
Try the following SAT math practice question (No Calculator) that tests your understanding of translating word problems and to create relationships using functions.

Question(No Calculator):

The toll for a vehicle to cross a certain bridge is a total of $\$2$ for the first two passengers plus $\$2$ for each additional passenger. Which of the following functions gives the toll $T(n)$, in dollars, for a vehicle with $n$ passengers?

1. $\quad T(n)=2n-2$
2. $\quad T(n)=2n-1$
3. $\quad T(n)=2n$
4. $\quad T(n)=2n+2$

 
Try the following SAT math practice question (Calculator Permitted) that tests your understanding of quadratic equations that have no solutions.

Question(Calculator Permitted):

The quadratic equation $2x^2 – 3x + k=0$, where $k$ is a constant, will have no real solutions for which of the following values of $k$ ?

1. $\quad \displaystyle \frac{7}{8}$
2. $\quad 1$
3. $\quad \displaystyle \frac{9}{8}$
4. $\quad \displaystyle \frac{3}{2}$