La un concurs de matematica se dau 40 de probleme. Pentr fiecare raspuns corect se acorda 7 puncte, iar pentru fiecare raspuns gresit se scad 5 puncte. La sfarsit, un elev a obtinut 232 de puncte. Cate raspunsuri corecte si cate raspunsuri gresite a dat elevul?

b.an increase in a causes b to decrease

susie has 7 apples

the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this