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).