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

Tony is laying out the design for a concrete path. The path is to be L shaped as shown in the plan. The measurements are in millimeters. Lengths of timber calle

The given polygons are similar. Find the value of x.

measurement costs are the costs related to

How does Soule's definition of freedom compare with how ex-slaves defined freedom?

In many of his sculptures, artist Richard Hunt uses broad forms rather than extreme accuracy to hint at specific people or ideas. In his first major work, Arach

A circle, (x - 1)² + (y + 3)² = 36, is changed to (x - 4)² + (y + 3)² = 36. How will this effect the graph of the circle? Responses The circle will shift down

please answer this math problem

How does Omari feel as he and his parents arrive at the family reunion? A) He is happy and excited to meet all his cousins. B)He is nervous and feels like the r

Please help!! A f. What is the stage of the 20-year flood? g. What is the stage of the 100-year flood? h. What is the stage of the 500-year flood? i. What is t

Please help me solve these 2 questions as I’m confused about how to do them