williamdavis12345543 williamdavis12345543
  • 13-01-2021
  • Mathematics
contestada

Solve for x.
x2 – 13x + 12 = 0
A. x = -12 and x = -1
B. X = -12 and x = 1
C. X= 12 and x = -1
D. X = 12 and x = 1

Respuesta :

pancake1127
pancake1127 pancake1127
  • 13-01-2021

last one is the answer:D. X=12 and X=1

step by step:

d=b2-4ac=169-48=121

x1=(-b+√d)2a=(13+11)2=12

x2=(-b-√d)2a=(13-11)/2=1

X1=12 and X2=1

please give me brainlest❤️

Answer Link

Otras preguntas

During construction the workers need to mix dried bentonite into the concrete as it is being mixed to get the desired consistency. The workers decide to mix 800
Please help thanks and show work
Under the protestant church of england, who was the head of the church? a. the pope b. the bishop c. the monarch d. none of the above
The model below represents an equation What vaue of x makes the equation true? WILL GIVE BRAINLY!HELP PLEASE!BE FAST!
How did Washington respond to the Whiskey Rebellion?
Please help! What is 5-4 / 4⁻³?
please help me...........asap
Earyn owns French Twist Hair Salon. She charges $35 for a cut and $120 for a cut and color combo. Yesterday, she had seven clients and earned $500. Let x repres
Please help me on this
Nine more than the quotient of a number and 2 is equal to 3