Question

Evaluate the following algebraic expressions:
a) 3 − 2
b)if x = 1 , = 7
c) = 12

Answer 1

Answer:

Given an algebraic expression, ax

2

+by

2

−cz

2

and values x=1,y=−1,z=2,a=−2,b=1 and c=−2

Put all the values in given expression,

= (−2)×1

2

+(1)×(−1)

2

−(−2)×2

2

= (−2)×1+(1)×(1)−(−2)×4

= −2+1+8

= −2+9

= 7

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

a) 1

phle Aap algebraic expression send to kar do