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Laabri

MRY Ch 1.4 - Literal Equations and Formulas (1-25)

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Last updated over 2 years ago
25 Nsɛmmisa

Follow the lesson below consisting of videos and practice sessions. If you do not understand something or have quesitons, email me and I can either answer your questions by email or a google meet.

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Pay attention to the math definition of Literal and the examples and non-examples to the left.

A Literal equation must have 2 or more variables.

A Formula is a mathmatical relationship between 2 variables (letters).

For this assignment, assume the only formulas are those listed in this lesson.

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1.

Solve It! You are ordering pizzas and sandwiches. You have a budget of $80. How many sandwiches can you buy if you buy 4 pizzas?

Enter only a number.

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2.

How many sandwiches can you buy if you buy 5 pizzas?

Enter only a number.

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3.

Explain how you found your answers.

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4.

Problem 1 Got It? Solve the equation for m. Show your work on the edit background.

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Problem 1 Got It? What is the value of m for the given value of n?

Enter only a number.

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Problem 1 Got It? What is the value of m for the given value of n?

Enter only a number.

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Problem 1 Got It? What is the value of m for the given value of n?

Enter only a number.

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8.

Problem 2 Got It?

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Problem 3 Got It?

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Problem 4 Got It? Pacific gray whales migrate annually from the waters near Alaska to the waters near Baja California, Mexico, and back. The whales travel a distance of about 5000 mi each way at an average rate of 91 mi per day. About how many days does it take the whales to migrate one way?

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11.

The correct answer to the question to the left is

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12.

The correct answer to the question to the left is (hint: everything negative is the same as everything positive because a neg divided by a negative is positive!)

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13.

The correct answer to the question to the left is (hint: use the distributive property like in an earlier video)

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The correct answer to the question to the left is

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15.

The correct answer to the question to the left is

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16.

Vocabulary: Classify the equation as a formula, a literal equation, or both.

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17.

Vocabulary: Classify the equation as a formula, a literal equation, or both.

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18.

Vocabulary: Classify the equation as a formula, a literal equation, or both.

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Vocabulary: Classify the equation as a formula, a literal equation, or both.

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20.

Compare and Contrast: How is the process of rewriting literal equations similar to the process of solving equations in one variable? How is it different?

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21.

Review Lesson 2-4: Solve the equation. Name its solution or identify the equation as an identity or as having no solution.

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22.

Review Lesson 2-4: Solve the equation. Name its solution or identify the equation as an identity or as having no solution.

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23.

Review Lesson 2-4: Solve the equation. Name its solution or identify the equation as an identity or as having no solution.

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24.

Vocabulary Review: Match each formula from the left with its description on the right.

  • Perimeter P of a rectangle with length l and width w

  • Area A of a triangle with base b and height h

  • Circumference C of a circle with radius r

  • Temperature in degrees Celcius C given the same temperature in degrees Farenheit F

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25.

Use Your Vocabulary: Complete each statement on the right with the appropraite word(s) from the list on the left.

  • letter

  • literature

  • literal equation

  • The word Boston begins with the __?__ B.

  • The equation 2x + 5 = 12 is not an example of a __?__ because it has only one variable.

  • You study classic __?__ in English class.