spencergosnell
spencergosnell spencergosnell
  • 02-05-2019
  • Mathematics
contestada

Solve the quadratic equation for x. What is one of the roots?

(x + 6)2 = 49

A) −13
B) −6
C) −7
D) −1

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 02-05-2019

Answer:

A) −13

Step-by-step explanation:

(x + 6)^2 = 49

Take the square root of each side

sqrt((x + 6)^2) = ±sqrt(49)

x+6 = ±7

Subtract 6 from each side

x+6-6 = -6  ±7

x =-6  ±7

Separating into 2 parts

x = -6+7          x = -6-7

x = 1               x = -13

Answer Link

Otras preguntas

In a class of 35 students, 19 take history and12 take economics. If 5 take both subjects,how many take neither?​
hahahahau better die!!!heres a binary language 01001010 01001111 01010010 01000100 01001001 01000101​
PRACTICE BCross out the unnecessary articles in the sentences.1 Steve brought me a lovely cotton a blouse from India.2 Mum wants you to buy a carton of a yoghur
BRAINLIEST TO CORRECT ANSWER!!!!
5 customers approach your truck each with a coupon for 2 dollars. The total amount of money they will spend can be represented by the expression 5(x - 2). Simpl
O que são funções sintáticas? E oque e modo conjuntivo dos verbos
If the diameter of a circle is 80 ft., find the area A 5,024 ft2 B 20,096 ft2 C 251.2 ft2 D 125.6 ft2
what is the additive inverse of 3? a. -3 b. a+(-a)=0 c. 0 d. -a
Maggie had 20 apples and she gave 8 to her mom 7 to her dad and 2 to her sister how many apples does Maggie have?
Easy points!! what's 180×3??​