Video explanations to the 191 hard questions that are part of the SAT Suite Question Bank released by Collegeboard.

 
Try the following digital SAT math practice question that tests your understanding of linear inequalities in the coordinate plane.

Question

$$y \leq -2x+3$$
$$y \geq 3x-1$$
Which of the following points is a solution to the above inequalities in the $xy-$plane?

1. $\quad (1,1)$
2. $\quad (1,2)$
3. $\quad (1,-1)$
4. $\quad (-1,1)$

 
Try the following SAT math practice question (Calculator Permitted) that tests your understanding of algebraically manipulating exponent expressions.

Question(Calculator Permitted):

$$(\sqrt{27})^{m} = \sqrt[3]{(81)^{n}}$$
If $m$ and $n$ are positive numbers in the equation above, what is the value of $\displaystyle \frac{m}{n}$ ?

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

 
Try the following SAT math practice question (Calculator Permitted) that tests your understanding of percent changes in exponential functions.

Question(Calculator Permitted):

The exponential function $h$ decreases by $36\%$ for each increase by $2$ in the value of $x$. Which of the following could define $h$ ?

1. $\quad h(x)=3(0.36)^x$
2. $\quad h(x)=2(0.64)^x$
3. $\quad h(x)=3(0.8)^x$
4. $\quad h(x)=2(1.36)^x$

 
Try the following SAT math practice question (Calculator Permitted) that tests your ability to factor algebraic expressions.

Question(Calculator Permitted):

Which of the following is equivalent to the expression $4-x^2+2x^3-x^4$ ?

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