Advertisements
Advertisements
प्रश्न
If x = − 5 and y = − 8, evaluate:
3y2
बेरीज
उत्तर
3y2
= 3 × y × y
= 3 × (− 8) × (− 8)
= 192
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
If p = -2, find the value of −3p2 + 4p + 7.
Simplify this expression and find its value if x = 3, a = -1, b = -2.
2 - 8x + 4x + 4
If x = 4, evaluate:
x2 – 2x
If x = 10, evaluate:
6x2 – 25x
If a = – 10, evaluate:
a3
If m = – 7, evaluate:
12m
If m = – 7, evaluate:
2m2
If x = − 6, evaluate:
`"x"^2/2`
If m = 9 and n = − 2, evaluate 2m2n
The wages ₹ W of a man earning ₹ x per hour for t hours are given by the formula W = xt. Find his wages for working 40 hours at a rate of ₹ 39.45 per hour.