-50
-22
22
50
Correct answer is C
Q = \( \left[ \begin{array}{ccc}
9 & -2 \\
-7 & 4 \\
\end{array} \right]\)
|Q| = 9x4 - (-2x7)
= 36 - 14
= 22
In the diagram above PS||RQ, |RQ| = 6.4cm and perpendicular PH = 3.2cm. Find the area of SQR ...
Find the values of p and q such that (x - 1)and (x - 3) are factors of px3 + qx2 + 11x - 6 ...
Simplify the expression \(\frac{a^2 b^4 - b^2 a^4}{ab(a + b)}\)...
Solve for x in the equation x\(^3\) - 5x\(^2\) - x + 5 = 0 ...
Simplify 10\(\frac{2}{5} - 6 \frac{2}{3} + 3\) ...
How many sides has a regular polygon whose interior angles are 120°each ...