Advertisements
Advertisements
Question
If m = − 8, evaluate:
m2 + 9m
Sum
Advertisements
Solution
m2 + 9m
= (m × m) + (9 × m)
= (− 8 × − 8) + (9 × (− 8))
= 64 + (− 72)
= 64 − 72
= − 8
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
If m = 2, find the value of 3m − 5.
If m = 2, find the value of 9 - 5m.
Simplify the expression and find the value if x is equal to 2:
x + 7 + 4 (x - 5)
If x = 2 and y = 10, evaluate:
30xy
If m = 3 and n = 7, evaluate:
12mn
If a = − 10, evaluate:
a2 + 8a
If x = 2 and y = − 4, evaluate:
11xy
If x = 2 and y = − 4, evaluate:
8x2
If x = − 5 and y = − 8, evaluate:
4x2
What is the value of the expression 7 - 2x when x = -4?
