stevenarriazas2000 stevenarriazas2000
  • 16-11-2018
  • Mathematics
contestada

Solve 3x2-11x-42=0 answer to problem

Respuesta :

MaliaHale
MaliaHale MaliaHale
  • 16-11-2018
x1/2= -b +- (root of) (b^2 -4ac) /2a
a=3 b=-11 c=-42
x1/2= -(-11) +- (root of) 11^2 -4×3×(-42)/2×3
x1/2= 11 +- (root of) 121 +504 /6
x1/2= 11 +- (root of) 625 /6
x1/2= 11 +- 25 /6

x1= 11+25/6 =36/6 = 6
x2= 11-25 /6 = 14:2/6:2 =7/3
Answer Link

Otras preguntas

I NEED HELP ASAP !!! When asking questions to parents about a child’s challenging behavior, teachers are looking for routine causes and ________.
Calculate the area for the shape above. Round answer to the nearest hundredths
. Use can, can’t, may, must, have to. 1. Little children ______go to bed early.
PLSSS HELP WLL GIVE BRAINLIEST!
1. Define what a warm-up routine is, including its importance and benefits, as well as different components of a complete routine. (5 points)
Can someone answer this question please please help me I really need it if it’s correct I will mark you brainliest .
True or false The administrative and industrial core of China is the Northeas
Who invented the assembly line?​
Contrasting Points of View: Describe Steve and Soda's differing points of view on having Ponyboy go out with them.
Melanie had 4 2/3 pounds of chopped walnuts. She used 1 1/4 pounds in a recipe. How many pounds of chopped walnuts did she have left?