Advertisements
Advertisements
Question
Find the value of the following expression, when x = -1:
-x + 2
Sum
Advertisements
Solution
-x + 2 Putting x = -1 in the given equation
= -(-1) + 2
= 1 + 2
= 3
shaalaa.com
Is there an error in this question or solution?
Chapter 10: Algebraic Expressions - EXERCISE 10.2 [Page 168]
APPEARS IN
RELATED QUESTIONS
When a = 0, b = −1, find the value of the given expression:
2a2 b + 2ab2 + ab
Simplify the expression and find the value if x is equal to 2:
4 (2x - 1) + 3x + 11
Simplify this expression and find its value if x = 3, a = −1, b = −2.
3a + 5 - 8a + 1
Simplify this expression and find its value if x = 3, a = −1, b = −2.
2a - 2b - 4 - 5 + a
If x = 4, evaluate:
3x + 8
If x = 5 and y = 4, evaluate:
8xy
If a = − 10, evaluate:
`1/5xx"a"^2`
If x = − 6, evaluate:
4x – 9
If m = − 8, evaluate:
`"m"^2/4`
If m = − 8 and n = − 2, evaluate:
(4n)2
