jakeleipzig jakeleipzig

16-04-2021
Mathematics

contestada

What is the value of c such that x^2+14x+c is a perfect-square trinomial?
a
98
b
49
c
7
d
196

Respuesta :

saraalvi00 saraalvi00

16-04-2021

Answer: 49

Step-by-step explanation:

a=1 ,b=14, c=?

b^2-4ac =0

(14)^2-4(1)(c)=0

196-4c=0

196=4c

c=49

Check:

(x)^2+2(x)(7)+(7)^2

x^2+14x+49

(x+7)^2

Answer Link

Otras preguntas

is a elk a producer consumer or decomposer

what's the difference between inferring and predicting

Which best describes how Italy’s location on the Mediterranean Sea contributed to the flourishing of the Renaissance? Italy’s location allowed many artists and

what is 40 meters in 5 seconds

An exterminator charges $80 to visit a home and $35 to spray each room. If the total bill was $395, how many rooms were sprayed? Write an algebraic equation tha

If the width and height of a rectangular prism are each shrunk to one seventh of the original size but the length remains the same, what is the formula to find

What is the meaning of the following lines from the Prologue? Whose misadventured piteous overthrows Do with their death bury their parents' strife.

Reduced siplest form 24/126

An exterminator charges $80 to visit a home and $35 to spray each room. If the total bill was $395, how many rooms were sprayed? Write an algebraic equation tha

According to Darwin which of the following creatures would be most likely to survive