Na aula de matemática o professor anotou na lousa : A=-2,C=3 e B=1,qual das equações abaixo corresponde a essa anotação? a)2x^2-x+1=0
b)3x+1=2x^2
c)X+3=2x^2
d)-2x^2=x+3

Por favor me ajudem preciso da resposta com o cálculo e a explicação

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 8 = -6x a. –7.12, 1.12 b. 7.12, –1.12 c. 7.12, 1.12 d. –7.12, –1.12

Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?