22hharmon936
22hharmon936
12-06-2018
Mathematics
contestada
How many solutions per each equation?
Respuesta :
tonb
tonb
12-06-2018
assuming y=ax²+bx+c, calculate D = b²-4ac, D<1: no solutions; D=0: 1 solution; D>0: 2 solutions.
1-4*-3*12 = 145, so 2 solutions
36-4*2*5 = -4, no solutions
49-4*-11 = 5, so 2 solutions
64-4*-1*-16 = 0, so 1 solution
Answer Link
VER TODAS LAS RESPUESTAS ( 67+ )
Otras preguntas
The distribution of melanosomes in cells is tightly regulated in animals that rapidly change color. Dark-colored cells have melanosomes scattered throughout the
explain the passage of oxygen from the nose to the alveoli.
What are the roots of the equation? x2+x−56=0
What is the difference between a nucleoside tetraphosphate and a tetranucleotide? What is the difference between a nucleoside tetraphosphate and a tetranucleoti
Find the height of a square pyramid that has a volume of 8 cubic feet and a base length of 2 feet
Sexual reproduction A. maintained the same gene combinations over time. B. helped maintain a slow rate of evolutionary change. C. increased genetic va
Which term refers to a type of body weight exercise that emphasizes control, movement flow, and breathing?
Are rational numbers always integers?
what observation tool allows shauans docter to monitor her blood circulation in real time?
Which of the following sentences describes oxygen at room temperature? (check all that apply) It has a constant volume but takes the shape of its container.
