Digital SAT Math Practice Question #2322
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.
Rewrite in base 2: $2^{2(x+1)} = 2^{3(x-1)} \implies 2x + 2 = 3x - 3 \implies x = 5$....
Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...
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A system of two linear equations is shown below: \[ \frac{3}{2}x - \frac{k}{4}y = 12 \] \[ cx - 5y = 2k \] In the system...
Determine the axis of symmetry for $y = -x^2 + 10x - 21$....
Which polynomial has zeros at $x = 2$ of multiplicity 2, and $x = -1$ of multiplicity 1?...
An item priced at $80 is increased by 20%, and then the new price is decreased by 20%. What is the final price?...