Combining Like Terms
Distributive Property
Translating
Order of Operations
Previous Lessons
100

8y-9y

-y

100

8(x+5)

8x+40

100

"the sum of a number and 4"

x+4

100

7+54÷3(2)

43

100

Which number is an integer?

-17

4/7

√15

0.35

-17

200

-x-2+15x

14x-2

200

-(x+4)

-x-4

200

"three less than twice a number"

2x-3

200

((7-2^2)+17)/(-14+2*5

-5

200

Which set of real numbers does NOT contain the number 0?

Whole Numbers

Natural Numbers

Integers

Rational Numbers

Natural Numbers

300

-12x^2y-3x^2y

-15x^2y

300

7a(3b-2c+4)

21ab-14ac+28a

300

"one less than the product of a number and 3 is 5 more than the number itself"

3x-1=5+x

300

-|-9-10|+12^2÷6*3

53

300

Which property justifies the statement (a-b)*0=0?

Inverse Property

Associative Property

Distributive Property

Zero Product Property

Zero Product Property

400

6a^2b^2+3ab^2-a^2b^2-4ab^2

5a^2b^2-ab^2

400

-3(-9v-4)-2(v-2)

25v+16

400

"a speed limit of 55 mph"

x<=55

400

84/12+(5-7^2)-72÷6*2

-61

400

Which statement justifies the statement if y=7, then 7=y?

Reflexive Property

Identity Property

Symmetric Property

Transitive Property

Symmetric Property

500

19x^2y-4xy^2+5xy^2-16x^2y

3x^2y+xy^2

500

1/2(3/5x-8)+7/4(2/5x+4)

x+3

500

"a number no less than 25"

x>=25

500

-|-16|÷((3^2-4))/(5-10)

16

500

Which set of numbers is CLOSED under subtraction?

Natural Numbers

Integers

Irrational Numbers

Odd Numbers

Integers