770173 770173
  • 23-10-2017
  • Mathematics
contestada

Solve x^2+6x+15=0 using the quadratic formula

Respuesta :

rosecrandell182 rosecrandell182
  • 23-10-2017
no real solutions is your answer
Answer Link
ejelonubenedict
ejelonubenedict ejelonubenedict
  • 23-10-2017
x = [-b±√b²-4ac]/2a
x= [-6±√{6² -4×1×15} /2×1
x= [-6±√(36- 60)]/2
x= [-6±√-24]/2
x= [-6± í2√6] /2
x = -3±2√6ì
x= -3+2√6ì or x= -3-2√6ì

where ì= √-1
Answer Link

Otras preguntas

What is the equation of a sine function with an amplitude of 2 and a period of 4π? Oy=sin(2x) y=sin(4x)
The difference between a number and three fourths of itself is 15. Find the number. ​
States' rights regarding _________ was one of the main issues dividing the North and South that led to the Civil War
PLEASE HELP ME FIND THE INEQUALITY SIGN OF THESE PROBLEMS
6) Find the smallest 4- digit number which is divisible by 3?
Heat from a fire place is transferred out to the room it How does the heat from the fire place transfer out to the room?
Describe the major structures of the respiratory system and clearly define their functions
Barry buys 6 loaves of bread. Each loaf weighs 1 1/4 pounds. What is the total weight of the bread in pounds? in ounces?
Humans currently rely on fossil fuels for the majority of their energy needs. A. Why can't humans always use fossil fuels for energy? (5 points) B. What two ste
Conclusions 2. Two new species of plants were introduced into an area that was low in available nitrogen compounds in the soil. One formed nodules and one did n