Montaysia1 Montaysia1

02-05-2018
Mathematics

contestada

What is the discriminant of the quadratic equation

What is the discriminant of the quadratic equation class=

Respuesta :

wolf1728 wolf1728

02-05-2018

The discriminant is b^2 -4ac
a = 1
b = -2
c = 4

discriminant = 4 -4 * 1 * 4 =
4 -16 =
-12
I get MINUS 12 as the answer but that isn't one of the choices.

Answer Link

Otras preguntas

find the perimeter A(2,2),(6,-2),(5,1)

This is an inanimate object that is not composed of cells

The emphasis changes a meaning of a word by making the word important or kind of dramatic ( a little bit) in the passage.

9 is what percent of 50

A 9-meter piece of wire costs $8.64. What is the unit price?

Do two objects (two large hunks of lead suspended from two strong strings) exert a gravitational force on each other? Yes No Not enough information to determine

Math algebra 1 plsssss helppppp!!!!

What does the Latin phrase persona non grata mean 1)italics 2)quotation marks 3)single quotation marks 4)none of the above

Describe the end behavior of f(x) = 1/3^x-5. [note: this is an exponential function where 1/3 is the base and x is the exponent.] ( answer choices are above,

PLEASE HELP ME :) A cup of was left in the sun for 4 hours. It started with 230J of internal energy and ended with 580J of internal energy. A) HOW MUCH HEAT wa