Tuesday, December 3Tuesday, December 3rdrd 2013 2013
Objective: Objective: SWBAT solve SWBAT solve
a literal a literal equation by equation by isolating a isolating a specific specific variable.variable.
Agenda:Agenda:Do-NowDo-NowGuided Notes + Guided Notes +
PracticePracticeVersatilesVersatilesExit Card Exit Card
What is a literal equation?What is a literal equation?
A literal equation is an equation A literal equation is an equation that contains more than one that contains more than one variable.variable.
When you When you solvesolve a literal equation, a literal equation, you are rearranging the equation you are rearranging the equation to isolate a variable. to isolate a variable.
x + y = 7x + y = 7
-2 + 98 + -1
3 + 4
-5 + 12
1 + 6
2 + 5
11 + -4
0.25 + 6.75-10 + 17
0.023 + 6.977
0 + 7
0.4 + 6.6
6.9 + 0.1
1.5 + 5.5
0.5 + 6.5
2x=102x=10 gh = mgh = m
2x + 5 = 11 Solve ax + b = c for x
Solve the equation ab + cd = g for c Solve the equation ab + cd = g for c
Solve the equation ab + cd = g for a.Solve the equation ab + cd = g for a.
1) Solve 3x - 6y = 17 for x.1) Solve 3x - 6y = 17 for x.To get x by itself, what is the first step?To get x by itself, what is the first step?
1.1. Add 3xAdd 3x
2.2. Subtract 3xSubtract 3x
3.3. Add 6yAdd 6y
4.4. Subtract 6ySubtract 6y
1) Solve 3x - 6y = 17 for y.1) Solve 3x - 6y = 17 for y.To get x by itself, what is the first step?To get x by itself, what is the first step?
1.1. Add 3xAdd 3x
2.2. Subtract 3xSubtract 3x
3.3. Add 6yAdd 6y
4.4. Subtract 6ySubtract 6y
You Try!You Try!
1. P= IRT for T
2. A= 2(L + W) for W
3. y= 5x - 6 for x
4. 2x +3y = 8 for y
You Try!You Try!
9z + 2a = 3j – 4x9z + 2a = 3j – 4x
l = 16ft.
The perimeter of my living room The perimeter of my living room rug is 57 ft. Calculate the width.rug is 57 ft. Calculate the width.
The area A of a triangle is given by the formula A = ½bh where b is the base and h is the height.
h
b
Use formula from a. to find the height of the triangle shown, which has a base of 5cm and an area of 50cm.
b.
Solve the formula for the height h.a.
59
Celsius vs. Fahrenheit Celsius vs. Fahrenheit Celsius: used in most countries around the world.
Fahrenheit:used in the USA only.
Celsius and Fahrenheit are different scales to measure temperature.
You are visiting a foreign country over the weekend. A local website tells you that the weather will be 30⁰C on Saturday and Sunday.
•Should you pack a winter coat or should you pack a bathing suit for your trip?
95= The formula for Celsius is: C (F - 32).