Lines and Stuff

Question 1

What property is this?: 3x + 4 - 4 = 12 - 4

Answer 1

Subtraction property

Question 2

What property is this?: 3 + 4 = 7 4 + 3 = 7

Answer 2

Commutative

Question 3

What is the grouping property?

Answer 3

Associative

Question 4

What property creates a ghost 1?

Answer 4

Multiplicative Inverse

Question 5

What is it called when you divide on both sides of an equation?

Answer 5

Division Property

Question 6

What is an inequality?

Answer 6

One side has a greater value than the other.

Question 7

What is an equation?

Answer 7

Expression with an equals sign. (Balanced scale)

Question 8

What is an algebraic expression?

Answer 8

A non-equation with math operations.

Question 9

What is wrong with PEMDAS?

Answer 9

It doesn’t work a lot of the time. Do MD left to right and do AS left to right.

Question 10

What is the set of whole number?

Answer 10

{ 0, 1, 2, ….}

Question 11

What is the difference between natural numbers and whole numbers?

Answer 11

Zero (whole numbers has it)

Question 12

What are real numbers?

Answer 12

Any number that can be written as a fraction.

Question 13

What is answer to life the universe and everything?

Answer 13

42

Question 14

What is 7 x 7

Answer 14

49

Question 15

What is an integer?

Answer 15

{… -2, -1, 0, 1, 2 … }

Question 16

What is a coefficient?

Answer 16

The number in front of a variable. (That includes).

Question 17

What does “like terms” mean?

Answer 17

Same exact variable parts (including exponents)

Question 18

What is a constant term?

Answer 18

Just a number. (no letter).

Question 19

What is a reciprocal?

Answer 19

When you turn a fraction upside down.

Question 20

What is the percent equation?

Answer 20

Amount = Percent (decimal form) x Number

Question 21

What is a cross product?

Answer 21

A strategy used to solve proportions. Means times the extremes.

Question 22

What is a ratio?

Answer 22

Two numbers compared by division. (usually a fraction)

Question 23

What is a proportion?

Answer 23

Two ratios that are equal to each other.

Question 24

What is a coordinate plane? And who invented it?

Answer 24

It’s a two dimensional x/y chart invented by Renee Descartes.