Equations Quiz

Equations can only have one solution

Equations are used to represent relationships between variables (correct)

Equations are always solved using trial and error

Equations are only used in mathematics

To simplify a complex expression

To create a balanced chemical equation

To prove a mathematical theorem

To find the value of a variable that satisfies the equation (correct)

2^x = 16

sin(x) = 0

3x + 2y = 5 (correct)

x^2 + 2x + 1 = 0