Algebra ii
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Algebra II. 1.3: Solve Linear Equations Hw tonight: none HW Monday: p.21-23 (12 – 48 every other even, 68, 70). What is an equation? What are the different types of solutions you can have when solving an equation?. 1.3 Do Now: Solve. 1.) 7x – 41 = -13 2.). 1.) 5w + 2 = 2w + 5

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Algebra II

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Algebra ii

Algebra II

1.3: Solve Linear Equations

Hw tonight: none

HW Monday: p.21-23 (12 – 48 every other even, 68, 70)


Algebra ii

  • What is an equation?

  • What are the different types of solutions you can have when solving an equation?


1 3 do now solve

1.3 Do Now: Solve.

1.) 7x – 41 = -13

2.)


Solve the equation check your solution

1.) 5w + 2 = 2w + 5

2.) 12(r + 3) = 2(r + 5) – 3r

Solve the equation. Check your solution


Solve the equation check your solution1

Solve the equation. Check your solution

3.)


P 23 69

The bill for the repair of your bicycle was $180. The cost of parts was $105. The cost of labor was $25 per hour. How many hours did the repair work take?

p.23 #69


P 23 71

You have two summer jobs. In the first job, you work 25 hours per week and earn $7.75 per hour. In the second job, you earn $6.25 per hour and can work as many hours you want. You want to earn $250 per week. Write an equation and find how many hours you must work at the second job.

p.23 #71


Extra practice solve the equation check your solution

1.) 2(b + 3) = 4b – 22.) 2x – 3 = 6x + 25

3.)

Extra Practice: Solve the equation. Check your solution


Do now 1 3 prac solve the equation

1.) 0.6x + 0.5 = 2.9 2.)

3.) 3.8w + 3.2 = 2.3(w + 4)

Do Now (1.3 Prac): Solve the equation.


Algebra ii1

Algebra II

1.4: Rewrite Formulas & Equations


Solve the formula for the given variable

1.) Solve A = lw for l. Then find the length of a rectangle with a width of 50 mm and an area of 250 sq. mm.

Solve the formula for the given variable.


Solve the formula for the given variable1

2.) Solve A = ½ (b1 + b2)h for h.

Solve the formula for the given variable.


Solve the equation for y then find the value of y for the given value of x

1.) 4y + x = 24; x = 8

2.) 15x + 4y = 9; x = -3

Solve the equation for y. Then find the value of y for the given value of x.


P 32 35

The formula for converting temperatures from degrees Celsius to degrees Fahrenheit is

F = 9/5C + 32. Solve the formula for C. Then find the temperature in degrees Celsius that corresponds to 50 degrees Fahrenheit.

p.32 #35


P 32 37

A tuxedo shop rents classic tuxedos for $80 and designer for $150. Write an equation that represents the shop’s revenue. The shop owner wants $60,000 in revenue during prom season. How many designer tuxedos must be rented if the number of classic tuxedos rented is 600? 450? 300?

p. 32#37


Solve the equation for y

1.) 6x + 5y = 31

2.) 9x – 6y = 63

Solve the equation for y.


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