jekasldnfb jekasldnfb
  • 07-08-2020
  • Mathematics
contestada

Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth.
a^2-2a-224=0

Respuesta :

altavistard
altavistard altavistard
  • 12-08-2020

Answer:

{-14, 16}

Step-by-step explanation:

The coefficients of this quadratic are a = 1, b = -2 and c = -224.

Thus, the discriminant is b^2 - 4ac, or (-2)^2 - 4(1)(-224), or 900, whose square root is 30.

Thus, the roots (solutions) are

      -(-2) ± 30

x = -----------------  =  {-14, 16}

             2

Answer Link

Otras preguntas

which of the following is a central teaching of Islam? A. There is one God and Muhammad was his only prophet. B. Muslims, Jews, and Christians all worship diffe
The amount a hardware store pays for buying nylon rope is represented by the equation y = 0.08x, where 'y' is the price it pays for 'x' feet of rope. The amount
Ross bought a bag of carrots that weighed 8.6 pounds and a of strawberries that weighed 4.7 pounds.
Can a mixture be in a solid as well as a liquid form?
help 8 divided by 900
what is the opposite form of the word(liberal)​
plz help me show your work​
If Find the measure of each angle. PLEASEE THIS IS MY END OF UNIT PLS HELPP
2x+y=3 x-2y=-1 if equation 2 was multiplied by -2
What caused the Boston tea party?
good job