Atividades sobre eq. 2º grau Escreva na forma ax² +bx + c = 0 as seguintes equações do 2º grau:

a) X² + 11x = 16x – 6

b) (x + 1)² - (2x + 3)² = 0

c) (x – 10)² + x(x + 17) = 104

2. Observe a frase:

O quadrado de um número aumentado do triplo desse número é igual ao próprio número mais35.

Agora, escreva na forma reduzida a equação do 2º grau que se pode formar com os dados da

frase anterior.

Help, please!!

1. 22

2. 1

3. 7

4. 18

step-by-step explanation

e2020 got it right

i did it myself and i got 4.2 (b) hope its right

step-by-step explanation:

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.