MCQ
If $|\text{x} + 2|\leq9,$ then:
- A$\text{x}\in\big(–7, 11\big)$
- B$\text{x}\in\big[–11, 7\big]$
- C$\text{x}\in\big(-\infty, –7\big)\cup\big(11,\infty\big)$
- D$\text{x}\in\big(-\infty, -7\big)\cup\big[11,\infty\big)$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
If the projections of a line segment on the x, y and z axes in 3-dimensional space are 2, 3 and 6 respectively, then the length of line segment is:
The distance between the foci of a hyperbola is 16 and its eccentricity is 2. Its equation is:
$\text{x}^2-\text{y}^2=32$
$\frac{\text{x}^2}{4}-\frac{\text{y}^2}{9}=1$
$2\text{x}-3\text{y}^2=7$
none of these.