Digital SAT Math Practice Question #2329
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
Desmos Hack: Graph the left and right sides of any equation to instantly view intersection points and filter out extraneous solutions.
$x + 10 = x^2 - 4x + 4 \implies x^2 - 5x - 6 = 0 \implies (x - 6)(x + 1) = 0$. For $x = -1$, $\sqrt{9} \ne -3$ (extraneous). For $x = 6$, $\sqrt{16} = 4 = 6 - 2$ (valid). Only $x = 6$ is valid....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
Unlock Full Solution & 2,600+ Official Drills
Access detailed Socratic steps, trap breakdowns, authentic timed module simulations, and Desmos speed hacks for just $9.99/mo.
Line $p$ is parallel to the line with equation $y = -\frac{2}{5}x + 7$ and passes through $(5, 1)$. What is the $y$-inte...
In the equation $9x + 3 = kx + 3$, $k$ is a constant. If the equation is true for all real values of $x$, what is the va...
Which function represents reflection of $f(x) = x^3 - 2x$ over the $y$-axis?...
For which value of $x$ is the expression $\frac{5x}{2x - 8}$ undefined?...