Advertisements
Advertisements
Question
If x = 2 and y = − 4, evaluate:
8x2
Sum
Advertisements
Solution
8x2
= 8 × x × x
= 8 × 2 × 2
= 32
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
When a = 0, b = −1, find the value of the given expression:
a2 + ab + 2
Simplify the expression and find the value if x is equal to 2:
x + 7 + 4 (x - 5)
If m – 6, evaluate:
5m − 6
If x = 4, evaluate:
`"x"^2/8`
If m = 2, evaluate:
16m – 7
If m = – 7, evaluate:
2m3
If x = 5 and y = 4, evaluate:
3x2y
If m = 3 and n = 7, evaluate:
4n2
If y = − 8, evaluate:
y2 + 12y
If m = 9 and n = − 2, evaluate 4mn
