Examlex
Write an equation for the hyperbola.
-vertices at ; foci at
Westward Expansion
The movement and settlement of European settlers and their descendants across North America, often displacing indigenous populations, during the 19th century.
National Myth
A widely held belief or story that embodies the ideals, values, and historical experiences of a nation, often serving to unify and inspire its citizens.
American Legal System
The judiciary framework of the United States, including a complex system of laws, courts, and law enforcement agencies.
Q70: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7516/.jpg" alt="
Q85: <span class="ql-formula" data-value="-2 x-5 y \leq-10"><span class="katex"><span
Q182: The sum of the squares of the
Q200: Choose the one alternative that best
Q210: <span class="ql-formula" data-value="\frac { 4 } {
Q210: <span class="ql-formula" data-value="\left| \begin{array} { l l
Q216: <span class="ql-formula" data-value="\begin{array}{l}x^{2}+y^{2}=52 \\2 y+3 x=0\end{array}"><span class="katex"><span
Q316: Choose the one alternative that best
Q378: Consider the selection of officers for a
Q396: <span class="ql-formula" data-value="a_{11}"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><msub><mi>a</mi><mn>11</mn></msub></mrow><annotation encoding="application/x-tex">a_{11}</annotation></semantics></math></span><span