Which equation is linear?

group of answer choices

latex: y=2x+2 y = 2 x + 2 y = 2 x + 2 y = 2 x + 2 y = 2 x + 2

latex: y=2x^2+2 y = 2 x 2 + 2 y = 2 x 2 + 2 y = 2 x 2 + 2 y = 2 x 2 + 2

latex: y=2x^3+2 y = 2 x 3 + 2 y = 2 x 3 + 2 y = 2 x 3 + 2 y = 2 x 3 + 2

latex: y=2x^4+2

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

Find the area of a parallelogram with the given vertices. p(-2, -5), q(9, -5), r(1, 5), s(12, 5)

Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions. a.  x2  − 4x  − 7 = 0b. 4r2  + 11r  − 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0