Literal%20Equations

1
Literal Equations
A Literal Equation is an equation that contains
two or more variables.
You are ordering pizza and sandwiches. You have
a budget of 80. How many sandwiches can you buy
if you buy 4 pizzas? 7 pizzas?
MENU Pizza 10 Sandwich 5
This situation can be modeled using a Literal
Equation.
cost per sandwich
of sandwiches
cost per pizza
of pizzas
4 pizzas
7 pizzas
That was easy
2
More Literal Equations
Solve each equation for y. Then find the value
of y for each value of x.

I dont like fractions.
3
Literal Equationswith Only Variables
Solve each equation for x.
Use the distributive property in reverse.


So that means...
Asi de Facil
4
Formulas
Perimeter of a Rectangle
Circumference of a Circle
Area of a Rectangle
Area of a Triangle
Area of a Circle
Distance Traveled
Temperature (Celsius)
5
Working with Formulas
What is the radius of a circle with circumference
64 feet? Round to the nearest tenth.
A car travels on a highway at a rate of 65 mph.
How long does it take for the car to travel 25
miles? Round to the nearest tenth.

That was easy
6
Homework
Page 112 - 113 12 34 Even Numbers Only
7
Comparison of Regular Equations Literal
Equations
Solve for x.
Solve for r.



Asi de Facil
8
Rewriting a Formula
The following formula is used to convert degrees
Fahrenheit to degrees Celsius.
The following formula is used to calculate the
Surface Area of a cylinder.

Rewrite the formula to convert degrees Celsius to
degrees Fahrenheit.
Rewrite the formula to solve for h.
9
More Rewriting Formulas
Solve each equation for the given variable.


That was easy
10
Homework
Page 113 36 - 41