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English 16 Public

Math 8

Study Slideshow

A symbol or letter that is used to represent a value that can change is called a _____.

Variable

15

A value that does not change is called a _____.

Constant

15

A combination of symbols, operations, and/or constants that show the value of something is called an _____.

Expression

20

Expressions that contains only constants and/or operations are called _____.

Numerical Expressions

20

Expressions that contain constants, variables and/or operations are called _____.

Algebraic Expressions

20

This operation can be described using "increased by."

Addition

15

This operation can be described using "the difference between."

Subtraction

15

This operation can be described using "split up into equal groups."

Division

20

This operation can be described using "groups of."

Multiplication

15

A mathematical statement where two expressions are shown to be equal is called an _____.

Equation

20

The value of a variable that makes an equation true is called the _____.

Solution

25

Find an equation for the word problem: "A number decreased by 13 is equal to 7."

x - 13 = 7

25

Find an equation for the word problem: "The sum of 5 and a number is -5."

x + 5 = -5

25

Find an equation for the word problem: "The difference of a number and 4 is 9."

x - 4 = 9

25

Find an equation for the word problem: "Two less than a number is -2."

x - 2 = -2

25

Find the solution for x.

x = 8/9

25