Solve the following system of equations:

−2x + y = 1
−4x + y = −1

(3, 1)
(−1, 3)
(−1, −3)
(1, 3)

Which solid has two triangular bases and three lateral faces, each in the shape of a rectangle? triangular prism triangular pyramid rectangular prism rectangular pyramid

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?