subject
Mathematics, 13.08.2020 01:01 lizzyboo32

1 - Os coeficientes numéricos de uma equação do 2º grau (ax² + bx + c = 0), são números reais representados pelas letras “a, b e c”. Para que uma equação do 2º grau possa existir, é necessário que o coeficiente “a” seja DIFERENTE de: * 1 ponto a) -2 b) -1 c) 0 d) 1 2) Usando o método de Tentativa e Erro, visto na aula, qual das alternativas abaixo representa uma raiz da equação: x²-5x+6=0 * 1 ponto a) x = 0 b) x = 1 c) x = 2 c) x = -2

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 16:20, deb2710
Find the slope of a line given the following two points
Answers: 1
image
Mathematics, 21.06.2019 19:30, raiindrxp
Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)
Answers: 1
image
Mathematics, 21.06.2019 20:30, noah12345678
The graph of a hyperbola is shown. what are the coordinates of a vertex of the hyperbola? (0, −4) (−3, 0) (0, 0) (0, 5)
Answers: 1
image
Mathematics, 21.06.2019 23:20, savannahvargas512
For which pairs of functions is (f•g)(x)=12x? f(x)=3-4x and g(x)=16x-3 f(x)=6x2 and g(x)= 2/x f(x)= and g(x) = 144x f(x)=4x and g(x) =3x
Answers: 1
You know the right answer?
1 - Os coeficientes numéricos de uma equação do 2º grau (ax² + bx + c = 0), são números reais repres...

Questions in other subjects:

Konu
Mathematics, 22.01.2021 01:00
Konu
Mathematics, 22.01.2021 01:00
Konu
Mathematics, 22.01.2021 01:00