exam Maths Puzzle Numerical Ability

Given A =
3 -2 0
1 4 2
-1 5 -3

find -3A.

Thank you for your help

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exam Other Question

Hi, can I have some help with the following problem?

Sketch the graph of the given parabola and state the coordinates of its vertex and its intercepts.
y = 8x^2 + 5x
( , ) (v What is the equation of the slant asymptote for R(x) = x^2-6x+8/x-4?
a. R(x) = x � 2
b. R(x) = 1
c. R(x) = -5x + 2
d. There is no slant asymptote