Mastering Linear Equations

$3x^3 + 2x^2 + x + 1 = 0$

$y = 2x + 3$ (correct)

$2x^2 + 3x + 1 = 0$

$\sqrt{x} + 2 = 0$

A number or set of numbers that makes the equation undefined

A number or set of numbers that does not affect the equation

A number or set of numbers that makes the equation true (correct)

A number or set of numbers that makes the equation false

$y = 3x - 2$

$\sqrt{x} + 2 = 0$ (correct)

$2x + 3y = 5$

$5x^2 + 3x + 1 = 0$