bwwoolworth bwwoolworth

22-06-2019
Mathematics

contestada

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

Respuesta :

jimrgrant1 jimrgrant1

22-06-2019

Answer:

b

Step-by-step explanation:

Given

[tex]\frac{x^2-2x-3}{4x^2-12}[/tex]

Substitute x = 3 into the expression

= [tex]\frac{3^2-2(3)-3}{4(3)^2-12}[/tex]

= [tex]\frac{9-6-3}{36-12}[/tex]

= [tex]\frac{0}{24}[/tex] = 0 → b

Answer Link

dsteffen dsteffen

26-03-2021

Answer:

b

Step-by-step explanation:

the answer is b:0

Answer Link

Otras preguntas

A cone has volume 12pie cubic inches. Its height is 4 inches. What is its radius?A.) 6 inchesB.) 4 inchesC.) 12 inchesD.) 3 inches

In "The Scarlet Ibis," the author creates tension in the narrator’s story in all of the following ways except A. the description of the death of the scarlet ib

In a catapult, energy is transferred into useful kinetic energy stores what store is the energy in when it is in the catapult

Helpppppp plsssssssss

How is French in demand in the business/job market?

(3m + 3) what is value of m

Why fashion is important to people? (3 reasons)

there is a college student who wants to buy apples from the local store. the store generally sells about 5 apples for every 2 customers they serve. About how ma

Barbara needs to buy a math book and some paper. She has $50. The math book costs $35, and paper costs $3.50 per package. How many packages of paper can Barbara

Which of the following best represents the measure of the angle shown? A. 115° B. 135° C. 90° D. 145°