1) the number that is being multiplied when it has an exponent  a) exponent  b) power c) base d) numerical expression  2) the number that indicates how many times the base is being multiplied  a) exponent b) algebraic expression  c) numerical expression  d) power 3) the number produced by raising a base to the exponent  a) variable  b) constant  c) power d) coefficient 4) an expression that consist of one or more number, variables, and operations  a) numerical expression b) algebraic expression c) term d) variable 5) a symbol, usually a letter, that stands for a number a) term b) coefficient  c) variable d) constant 6) a value that does not change/ has nothing attached to it  a) constant  b) variable  c) term d) coefficient  7) a number and or variable separated by + and or - signs a) constant  b) variable  c) term d) coefficient  8) a number that is multiplied with a variable  a) constant  b) variable  c) term d) coefficient  9) What are the terms in 4a + 6 + 7 a) 4a b) 6 c) 7 d) all of the above 10) What is the coefficient in the expression 3a+2 a) 2 b) + c) a d) 3 11) How is an algebraic expression different from a numerical expression? a) It includes variables. b) It only includes operations. c) It includes exponents. d) It only has variables. 12) Which is an example of an algebraic expression? a) 5+2-8 b) 5(4+3)-9 c) 5(4a+3)-9 d) 3+8-7 13) Which is an example of a numeric expression? a) 2a+5c+2(x+3) b) 5c+3g c) a+b d) 2+3(4+12) 14) Write 3 x 3 x 3 x 3 using an exponent a) 3^5 b) 4^3 c) 15^4 d) 3^4 15) Which verbal expression represents 4 + x? a) four times x b) the quotient of four times x c) x decreased by 4 d) four plus x 16) Which expression represents the product of c and 9 plus d a) 9 + d b) cd+9 c) 9c + d d) c÷ 10 17) Evaluate: a + 3b – 16 for a = 7 and b =3 a) 0 b) 52 c) 11 d) 60 18) 8f – 6g + f2 for f = 4 and g = 3 a) 0 b) 12 c) 29 d) 30 19) a + 6 ÷ 2 for a = 8 a) 11 b) 12 c) 13 d) 14 20) Simplify: 3a + 7b – 6b + 12 a) 3a + 7b – 6b + 12 b) 6b + 12 c) 3a + b + 12 d) – 6b + 12 21) Simplify: 6.34s + 5.6t + 56 + 7.84s – 2.45t – 34 a) 6.34s + 5.6t b) 6.34s + 5.6t + 56 c) 56 + 7.84s – 2.45t – 34 d) 14.18s + 3.15t + 22 22) Simplify: 2(3x – 7) a) 5x + 9 b) 6x -7 c) 6x - 14 d) 6x-5 23) Simplify: 7(4x + 10) a) 28x + 70 b) 11x + 17 c) 3x + 3 24) Simplify: y + y + y a) 3y b) y + 3 c) y d) 2y 25) Simplify: 6(3a – 7) + 50 a) 11x + 2 b) 10 + 17a c) 4x + 34 d) 18a + 8 26) 6x + 6y + 5(y + 7) + 2(2x + 6) a) 10x + 11y + 47 b) 10 + 17d c) 19 11/20x + 42 d) 11x + 2 27) terms whose variables (including exponents) are the same a) Like Terms  b) Unlike Terms  c) Bad Terms  d) Good Terms  28) What are the like term(s) in the expression 3z + 7 - 8z + 4a a) 3z and 8z b) 7 c) 8 d) 4a 29) terms that do not have the same variables or the same power a) Unlike Terms b) Bad Terms c) Good Terms d) Like Terms 30) You can only ??? like terms. a) combine b) together c) comb d) concentrate 31) You can or cannot combine unlike terms.  a) can b) cannot

Expressions!

打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？