lissetestrada6 lissetestrada6

15-04-2020
Mathematics

contestada

Find the value of c that makes the trinomial a perfect square.
x2+8x+c

Respuesta :

ghanami ghanami

17-04-2020

Answer:

c=16

Step-by-step explanation:

hello :

x2+8x+c is the perfect square means : x²+8x+c= (x+a)²

x²+8x+c = x²+2ax+a²

so : 2a=8

c=a²

a=8/2 = 4 but : c = a²

conclusion : c=16

Answer Link

Otras preguntas

Which option best describes the water cycle?

2. Which ions will form an ionic bond? A. two negative ions B. a positive and a neutral atom C. two positive ions D. a positive ion and a negative ion

Which part of the sentence is a dangling modifier? "Swinging through the air" "the children were delighted" "by the acrobats" "on the stage"

SCALCET8 3.9.005.MI. A cylindrical tank with radius 5 m is being filled with water at a rate of 4 m3/min. How fast is the height of the water increasing

Help!!! Find the domain of the function. Write the answer in interval notation.

In the feedback loop, the impact the message has on the receiver's knowledge, attitude, or behaviors during the communications process is referred to as

Question 17 of 25 Look at the protein below. Which could be its function? A. Storing energy B. Moving material into cells O C. Transporting oxygen PREVIOUS

help plisCompletepast simple1) The president _____ (come) yet, but the vicepresident______ (arrive) early.2) Where _____ Bruno_____ (go) yesterday?He_____ (go)

Yosevin began his memo with background information and explanations before announcing a reduction in health insurance coverage. The strategy Yosevin used is cal

At the beginning of the year, SnapIt had $13,800 of inventory. During the year, SnapIt purchased $42,600 of merchandise and sold $35,700 of merchandise. A physi