Advertisements
Advertisements
Question
If y = − 8, evaluate:
y2 + 12y
Sum
Advertisements
Solution
y2 + 12y
= (y × y) + (12 × y)
= ((− 8) × (− 8)) + (12 × (− 8))
= 64 + (− 96)
= −32
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
If m = 2, find the value of m − 2.
If m = 2, find the value of 3m2 − 2m − 7.
If p = -2, find the value of -2p3 - 3p2 + 4p + 7.
Find the value of the following expression, when x = -1:
x2 + 2x + 1
Simplify the expression and find the value if x is equal to 2:
4 (2x - 1) + 3x + 11
Simplify the expression and find its value when a = 5 and b = −3.
2 (a2 + ab) + 3 − ab
If x = 4, evaluate:
12x + 7
If m = – 7, evaluate:
2m3
If p = − 10, evaluate:
`"p"^2/50`
If m = 9 and n = − 2, evaluate 2m2n
