for what values of x is the rational expression below undefined? x-7/x^2-7x-8
check all that apply
a. 1
b. 7
c. 8
d. -8
e. -7
f. -1

Question

01-03-2018
Mathematics

contestada

for what values of x is the rational expression below undefined? x-7/x^2-7x-8
check all that apply
a. 1
b. 7
c. 8
d. -8
e. -7
f. -1

Respuesta :

Otras preguntas

If it takes Mark twice as long to earn $6.00 as it takes Carl to earn $4.00, what is the ratio of Mark’s pay per hour to Carl’s pay per hour?

USE A NUMBER LINE TO FIND 8/9 / 8/45.

What is 0.05 percent of 6.5?

which explorer sailed for france?

A tree was chopped down and cut up in a local forest.The tree changed in shape.What kind of change took place?A.chemical changeB.physical change C.phase changeD

Differences between DNA and RNA include which of the following? (1) RNA consists of one nucleotide chain. (2) RNA contains the nitrogen base uracil instead of t

What is 1997 from 2014????????????

what is the kingdom and phylum of a euglena protest?

calculista calculista · Answer 1 · 2018-03-01T18:32:47+01:00

calculista calculista

01-03-2018

we have

f(x)=(x-7)/(x²-7x-8)

resolving the quadratic equation
using a graph tool-------- > see the attached figure
x=-1 x=8
therefore
(x-7)/(x²-7x-8)=(x-7)/[(x+1)*(x-8)

the answer is -1 and 8

Answer Link

for what values of x is the rational expression below undefined? x-7/x^2-7x-8 check all that apply a. 1 b. 7 c. 8 d. -8 e. -7 f. -1

Respuesta :

Otras preguntas

for what values of x is the rational expression below undefined? x-7/x^2-7x-8
check all that apply
a. 1
b. 7
c. 8
d. -8
e. -7
f. -1