Djamiladm12 Djamiladm12

22-03-2021
Mathematics

contestada

Which of the following correctly completes the square for: x^2+2x=48

A. (x+2)^2=52
B. (x+1)^2=49
C. (x+2)^2=47
D. (X-1)^2=26

Respuesta :

22-03-2021

Answer:

(x+1)²= 49, the answer is B

Step-by-step explanation:

x² + 2x = 48

x² + 2x + (2/2)² - (2/2)²= 48 --[what we are trying to do is to complete a square by adding (2/2)² - (2/2)²]

(x+1)²= 49, the answer is B

Answer Link

Jovieee Jovieee

22-03-2021

Answer:

hey I'm pretty sure it's B. (x+2)²=49

Step-by-step explanation:

x²+2x+(2\2)²=48 + (2\2)²

(x+1)²=49

2 over 2 by the power of 2 = 1

Answer Link

Otras preguntas

Which of the following tends to form a cation (positive ion) with a charge of 2+? a. Na b. O c. He d. Mg

When organisms must compete for resources, they will usually have a ____________ distribution. a. uniform b. random c. clumped d. competitive

Which sentence does not contain any punctuation errors? A.The smoothie recipe includes the following, frozen berries, yogurt, and vanilla extract. B.The smoot

How did America end up going to War with Iraq?

Find the 40th term of this arithmetic sequence.

the area of a sector of the circle with an arc measure of 45 degree and with a radius of 4 is?

Why are Europe's clean energy sources important to the region?

There are 376 stones in three piles. The second pile has 24 more stones than the first. The third pile has twice as many stones as the second. How many stones i

Why are Europe's clean energy sources important to the region?

At what point (x,y) do the two lines with equations x-2y=5 and 3x-5y=8 intersect?