Advertisements
Advertisements
Question
If x = 5 and y = 4, evaluate:
3y2
Sum
Advertisements
Solution
3y2
= 3 × y × y
= 3 × 4 × 4
= 48
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
If x = 4, evaluate:
x2 – 2x
If x = 4, evaluate:
5x2 + 4x
If a = – 10, evaluate:
a3
If x = 5 and y = 4, evaluate:
8xy
If y = 5 and z = 2, evaluate:
100yz
If y = 5 and z = 2, evaluate:
5y2
If m = − 8, evaluate:
m2 + 9m
If x = 2 and y = − 4, evaluate:
5x2y
If m = 9 and n = − 2, evaluate 4mn
Evaluate \[a^2+2ab+b^2\] when a = 3 and b = 2.
