Digital SAT Practice Questions
Access 462 official-caliber practice questions. Filter by subject or difficulty to pinpoint your cognitive blind spots.
Solve for $x$: $\sqrt{2x + 7} = x - 4$....
What is the extraneous solution of $\sqrt{x + 2} = x$?...
If $(x^a)^b = x^{12}$ and $x^a \cdot x^b = x^7$, what is $|a - b|$?...
Simplify $(8a^3b^6)^{1/3}$....
Solve $\sqrt[3]{2x - 5} = 3$....
If $2\sqrt{x - 1} + 3 = 11$, what is the value of $x$?...
Which of the following is equivalent to $\frac{1}{\sqrt{x}}$ for $x > 0$?...
If $3^{x} = 10$, what is the value of $3^{x+2}$?...
If $5^{2x} = 25^{x}$, how many solutions does this equation have?...
Evaluate the expression $\frac{2^{x+4} - 2^x}{2^x}$ for any real number $x$....
If $9^{x-1} = 27$, what is $x$?...
If $x^{2/3} = 4$, what is $x^{4/3}$ for $x > 0$?...
What is the solution set of $\sqrt{4x + 9} = x - 3$?...
If $a^{1/2} = 6$ and $b^{1/3} = 3$, what is $a/b$?...
Which value of $x$ satisfies $\sqrt{x + 5} + 1 = 4$?...
If $g(x) = 2^{3-x}$, what is $g(5)$?...
Simplify $\frac{(x^3 y^{-2})^2}{x^{-1} y^3}$ for positive $x$ and $y$....
A radioactive sample has mass $m(t) = 500(0.8)^t$. After how many years will it be reduced to 256 grams?...
If $4^{x+1} = 8^{x-1}$, what is $x$?...
Which expression is equal to $\sqrt[3]{x^6 y^9}$?...
For $x > 0$, if $\sqrt{x} \cdot \sqrt[3]{x} = x^k$, what is the value of $k$?...
What is the smaller solution to $\sqrt{2x + 3} - \sqrt{x - 2} = 2$?...
If $f(t) = 80(1.05)^t$ represents an account value, what is the value after 2 years?...
Determine the solution to $2^{x^2 - 3x} = 16$....
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