Review: 9.4d Mini-Quiz 1. The time t for a pendulum of length L to go through one cycle is given by...

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Review: 9.4d Mini-Quiz 1. The time t for a pendulum of length L to go through one cycle is given by the formula: How long is the pendulum of a mantel clock with a period of 4 seconds? 2. A 12 foot skateboarding ramp has a height of 4 feet (see the figure). Find the base length of the ramp. 32 2 L t

Transcript of Review: 9.4d Mini-Quiz 1. The time t for a pendulum of length L to go through one cycle is given by...

Page 1: Review: 9.4d Mini-Quiz 1. The time t for a pendulum of length L to go through one cycle is given by the formula: How long is the pendulum of a mantel clock.

Review: 9.4d Mini-Quiz

1. The time t for a pendulum of length L to go through one cycle is given by the formula:

How long is the pendulum of a mantel clock with a period of 4 seconds?

322

Lt

2. A 12 foot skateboarding ramp has a height of 4 feet (see the figure). Find the base length of the ramp.

Page 2: Review: 9.4d Mini-Quiz 1. The time t for a pendulum of length L to go through one cycle is given by the formula: How long is the pendulum of a mantel clock.

Class Greeting

Page 3: Review: 9.4d Mini-Quiz 1. The time t for a pendulum of length L to go through one cycle is given by the formula: How long is the pendulum of a mantel clock.

Chapter 9Radical Expressions and Equations

Lesson 9-4bRadical Equations and Applications

Page 4: Review: 9.4d Mini-Quiz 1. The time t for a pendulum of length L to go through one cycle is given by the formula: How long is the pendulum of a mantel clock.

Objective: The students will solve word problems involving radical equations.(continued)

Page 5: Review: 9.4d Mini-Quiz 1. The time t for a pendulum of length L to go through one cycle is given by the formula: How long is the pendulum of a mantel clock.

Applications of Radicals

Page 6: Review: 9.4d Mini-Quiz 1. The time t for a pendulum of length L to go through one cycle is given by the formula: How long is the pendulum of a mantel clock.

The demand equation for a video game is:

where x is the number of units demanded per day and p is the price per game. Find the demand when the price is set at $20.

140 xp

Answer:The demand for the video game is 401 units when the price is set at $20.

14020 x

120 x

120 x

1400 x

x401

Page 7: Review: 9.4d Mini-Quiz 1. The time t for a pendulum of length L to go through one cycle is given by the formula: How long is the pendulum of a mantel clock.

The vibration of a string on a guitar depends on the length of the string. The table shows the velocities v (in meters per second) at different lengths l (in meters).

Graph the data and approximate the length of the string when the velocity is 200 meters per second.Verify your approximation by solving the equation.

Page 8: Review: 9.4d Mini-Quiz 1. The time t for a pendulum of length L to go through one cycle is given by the formula: How long is the pendulum of a mantel clock.

l05.0

4800200

Answer:The length of the string when the velocity is 200 meters per second is about 0.42 meters.

05.0

4800000,40

l l000,96000,40 l416.0

Page 9: Review: 9.4d Mini-Quiz 1. The time t for a pendulum of length L to go through one cycle is given by the formula: How long is the pendulum of a mantel clock.

Lesson Summary: Objective: The students will solve word problems involving radical equations.(continued)

Page 10: Review: 9.4d Mini-Quiz 1. The time t for a pendulum of length L to go through one cycle is given by the formula: How long is the pendulum of a mantel clock.

Preview of the next Lesson: Objective: The students will practice for the Midterm Exam.

Page 11: Review: 9.4d Mini-Quiz 1. The time t for a pendulum of length L to go through one cycle is given by the formula: How long is the pendulum of a mantel clock.

Homework539/87 and 89

Page 12: Review: 9.4d Mini-Quiz 1. The time t for a pendulum of length L to go through one cycle is given by the formula: How long is the pendulum of a mantel clock.

Stand Up Please