brianc3hutMAS brianc3hutMAS

24-05-2016
Mathematics

Answered

What is the discriminant of the quadratic equation 0 = –x^2 + 4x – 2?

–4

8

12

24

Verified Answer :

24-05-2016

from this equation :
a: the coefficient of x^2 & b: the coefficient of x & c: the last term
so a=-1 ; b=4 ; c=-2;
discriminant = b^2 -4ac
= (4)^2 -4(-1)(-2)
= 8

Answer Link

Related Questions

What are the ethical implications of online social media after someone has died What ethical concerns might exist

how is this correctly written The computer stopped working so I asked if I could move to a different one

An auditorium has 30 rows of seats The first row has 20 seats the second row has 22 seats the third row has 24 seats and so on What is the total seating capaci

When two glucose C6H12O6 molecules are combined to form a molecule of maltose C12H22O11 the formula of the maltose molecule is not C12H24O12 because a Hydrolysi

20 points Which word in the sentence is a predicate adjective Isnt an English horn quite similar to an oboe A oboe B quite C similar D English

plz plz help me plz Which word in the sentence is an adjective that tells how many Many children played at the big park for a long time Friday afternoon A big B

What impact do interest groups have on the budgetary process aThey participate in appropriations hearings bThey lobby government agencies to influence budget re

1 A balloon is filled with He gas to a volume of 210 L at 35 C The balloon is placed in liquid nitrogen until its temperature reaches 196 C Assuming the pressur

Given the inequality $3(n-6)<2(n+12)$, determine which integer makes the inequality false. A. -5 B. 3 C. 12 D. 42

The perimeter of a semicircle is 514 millimeters What is the semicircles area1 Use л314 and round your answer to the nearest hundredthsquare millimeters

Web Analytics