Grade 9 Algebraic Expressions Quiz Welcome to your Grade 9 Algebraic Expressions Quiz What type of algebraic expression is this? 2x² + 3x monomial trinomial binomial None Simplify by collecting like terms -x + 2x +3 - 45 3x - 42 x - 42 -x + 48 None In the monomial -5x, the number (-5) is the constant the coefficient the factor None Simplify the following expression -3x³ + 2x - 4x² + 3x³ + 15x + 2x² - 30 + 2x² cannot be simplified 20x - 30 17x - 30 None Evaluate the following expression for x = (-3) 4x² - 12 + 3x³ -129 105 -57 None Time's up
