Examlex
Decide what values of the variable cannot possibly be solutions for the equation.
-
Q69: The volume of water added to
Q71: <span class="ql-formula" data-value="y=|x-7|-5"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>y</mi><mo>=</mo><mi mathvariant="normal">∣</mi><mi>x</mi><mo>−</mo><mn>7</mn><mi
Q87: <span class="ql-formula" data-value="\frac { x + 11
Q243: <span class="ql-formula" data-value="\sqrt { - 5 }
Q295: How much pure acid should be mixed
Q420: <span class="ql-formula" data-value="A = 2 \pi a
Q454: <span class="ql-formula" data-value="- | - 2 |"><span
Q467: <span class="ql-formula" data-value="3 ^ { 0 }"><span
Q475: <span class="ql-formula" data-value="\sqrt { - 23 }"><span
Q542: <span class="ql-formula" data-value="( - 2 x )