Simplify these expressions. a. 4x + 7x + (–x) b. –5yz + yz + 2yz Simplify these expressions. a. 13xyz + 9 + 2xyz + 3 b. 6ab + (–2ab) + 4 + 6 Write the shortened form of each monomial. a. 3 · b b. n · m c. 8 · s · t d. 2 · q · r · s What is the coefficient of each monomial? a. 5pk b. f c. –9t d. –j Write whether each expression is a monomial or a binomial. a. 3y b. (–9) + h c. wr + 5wr d. –7agh e. 2 f. k + 12 Simplify these expressions. a. –8p + (–9p) + (–2p) b. –3jk + 5jk + (–6jk) Simplify these expressions. a. 4c + 9 + 3 b. 10x + (–4) + (–10) c. –9 + 3x + 14 d. 11y + 6 + (–7) Simplify these expressions. a. 2r + 3 + 4r b. 8 + 3d + d c. mn + (–3mn) + 6 d. 10s + (–10) + (–4s)
