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# SOLVING EQUATIONS

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## Abigail Dominguez

on 21 May 2015

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#### Transcript of SOLVING EQUATIONS

Equation
An equation says that two things are equal.
It will have an equals sign "=".
It's is like a statement
~"this equals that"~

Symbols and Variables
Algebraic Expressions
Function Notations

SOLVING
EQUATIONS

Parts of an Equation
-a number that is used to multiply a variable (4x means 4 times x, so 4 is a coefficient)
- a symbol used to represent an unknown number, whose value can change.
Constant
A constant is a number by itself.
5 12 9 2 6 10 3 7
Example:
Variable
Coefficient
(4 is a coefficient)
(2 is a coefficient)
Operator
- a symbol that shows an operation
Add
Multiply
Subtract
Divide
Times,product,
equal groups of
Minus,difference,
less than
Divided by,
quotient
Plus, sum,
increased
by
Terms
Terms are the parts of an expression
or an equation that are separated by
"+" sign or a "-" sign.
Algebraic Expression
an expression built up from
intiger constants, variables, and the algebraic operation(terms)
2 Types of equations
One step
Two step
Solving One step equations
Solving
two step equations
Function Notation
- a system of symbols which is an efficient and effective way to display functions of any type.
Function Notation
Symbol
Writing Functions using
Function Notation
y= f(x)
A Function Notation
Problem
y = 2x -3

f(x) = 2x -3
If x = 3

f(3) = 2(3) -3
= 6 -3
=3
f(3) = 3
Symbol:
~Equation
What makes it up(symbols,variables,etc.)
How to solve them(one-step & two-step)
~Function Notation
Definition
Meaning of the symbol
How to solve a Function Notation problem
What has been reviewed
THE END
Quiz
Find the value of x.

1.) x + 14 = 20

a.)x = 5
b.)x = 3
c.)x = 8
d.)x = 6
2.)9x + 3 = 21

a.)x = 3
b.)x = 2
c.)x = 7
d.)9x = 18
Answer:
D
Answer:
B
Full transcript