june 10, 2014
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Today:
Prep for Final Classwork, Alt.Khan
Notebooks prepared for Thursday submission
Bring Calculator Tomorrow... Phones cannot be used
Warm-Up Section of Notebook
June 10, 2014
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Simplify:
Simplify:
Final Exam Review:
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Final Exam Review:
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Simplify:
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Final Exam Review:
What was the price of each type of ticket?
3(6y + a = $17.50) - 3y + 3a = $22.50
y = $2.00; a = $5.50
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Final Exam Review:
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Sadly, we have reached the end, the last warm-up question of the year..........
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5x 1 3x 5 2.Set up the equationso that there will beonly one radical oneach side of the equal sign.
Square both sidesof the equation.
Simplify.
Simplify by dividingby a common factor of 2.
Square both sides of the equation.
5x 1 2 2 3x 5 2
5x 1
5x 1 3x 1 4 3x 5
2x 2 4 3x 5
x 1 2 3x 5
x 1 2 2 3x 5 2
x2 2x 1 4(3x 5) Use Foil.
5x 1 2 3x 5
Use Foil.4 4 3x 5 (3x 5)
Solve
Solving Radical Equations
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x2 2x 1 4(3x 5) Distribute the 4.
x2 2x 1 12x 20 Simplify.
x2 10x 21 0 Factor the quadratic.
(x 3)(x 7) 0 Solve for x.
x - 3 = 0 or x - 7 = 0 x = 3 or x = 7 Verify both solutions.
5x 1 3x 5 2
5(3) 1 3(3) 5
4 2
2
5x 1 3x 5 2
5(7) 1 3(7) 5
6 4
2
Solving Radical Equations
L.S. R.S. L.S. R.S.
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