1.Решите уравнения: а) 2х2 + 7х -9=0; в) 100х2 – 16=0; б) 3х2 =18х; г) х2 -16х+63=0. 2. Произведение двух натуральных чисел, одно из которых на 6 больше другого, равно 187. Найдите эти числа. 3. Найти сумму и произведение корней квадратного уравнения 4. Составьте квадратное уравнение, если его корни равны -1 и 8. 5. Найдите корни уравнения: а) (3х-1) (х+3)= х (1+6х); в) (х+3)(х-4)= -12; б) (х+4)2 = 3х+40. г) ( 3х-1)2 -1= 0.

Which statement accurately explains whether a reflection over the y-axis and a 270° counterclockwise rotation would map figure acb onto itself? a coordinate plane with figure acb with point a at 1, 1, c at 3, 4 and b at 5, 1 yes, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) yes, a″c″b′ is located at a″(1, 1), c″(3, 4), and b″(5, 1) no, a″c″b″ is located at a″(1, 1), c″(4, 3), and b″(1, 5) no, a″c″b″ is located at a″(1, 1), c″(3, 4), and b″(5, 1)

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?