Like Terms

Vocabulary

100

What are terms that contain the same variables with corresponding exponents?

Like terms

200

What do you call a polynomial with 3 terms?

Trinomial

300

What property tells you to multiply the outside number by everything on the inside?

Distributive property

400

What do you call a term in an algebraic expression that does not contain variables?

constant

500

What is "the number in front of a variable"?

Coefficient

Parts of an Expression

100

Identify the constant: 4x-z-23

-23

200

How many terms are in this expression: 10+x+5x-7+8t

5

300

若单项式2x²y^a+b与 - 1/3 x^a-by⁴是同类项，则a,b的值分别是？

a=3,b=1

400

若单项式3xⁿy与2x³y^m-2的和仍是单项式，m+n的值是？

6

500

若代数式mx²+5y²-2x²+3的值与字母x的取值无关，则m的值是？

2

Simplify the expression

100

Simplify:

10z+12y+13z-y+2x

2x+11y+23z

200

Simplify: − 4/5 b −2b

- 14 /5 b

300

Simplify x² +4 −2x² +3x −5 −6x

-x² - 3x - 1

400

Simplify 3 (x²y + 2xy) - 2 (xy - x²y + 1)

5 x²y + 4xy - 2

500

已知x²-2y=4，求3x²-6y-21 = ?

-9

Simplify the expression

100

Simplify −0.1x² +5x²

4.9x²

200

Simplify 8z+9xy-z²

Simplest form

300

Simplify −3x²y +3xy² −2xy² +2x²y

-x²y + xy²

400

- 1/3 xy + (-2/5 x²) - 1/2 x² - (-1/6 xy)

- 1/6 xy - 9/10 x²

500

若多项式-5x²y - 2nxy + 5my² - 3xy + 4x -7不含二次项，则m+n=?

-1.5

Vocabulary(advanced)

100

What property tells you to change the grouping?

Associative property

200

What property tells you to change the order?

Commutative property

300

What is "a part of an expression separated by + or -"?

term

400

What is the degree of the term -3x²y³z

6

500

Explain why we cannot combine 2x²y and 3xy². Use the vocab you learned.

They have different degrees. Like terms must have the same variables raised to the same powers.