Question

Work out the value of each of these expressions, when p=2, q=-3, r=5:
4rp^2-10q^2

Answer 1

did u tried that?

Answer 2

where r u stuck?

Answer 3

-10 is the answer.

Answer 4

Abe, please stop giving direct answers. Let them learn too. :p

Answer 5

\[4(5)(2)^2-10(-3)^2\]
\[4(5)(4) - 10(9)\]
\[80-90\]
\[-10\]
we just have to put values given

Answer 6

brilliant, thanks guys