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What is the value of the rational expression x^2-2x-3/4x^2-12 when x = 3?

a) -1/4
b) 0
c) 1/4
d) Undefined

User Aabaz
by
8.1k points

2 Answers

4 votes

Answer:

b

Explanation:

the answer is b:0

User Brash Equilibrium
by
8.2k points
4 votes

Answer:

b

Explanation:

Given


(x^2-2x-3)/(4x^2-12)

Substitute x = 3 into the expression

=
(3^2-2(3)-3)/(4(3)^2-12)

=
(9-6-3)/(36-12)

=
(0)/(24) = 0 → b

User Nmd
by
7.9k points

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