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Laabri

Copy of Unit 2 Review (Due 10/20/23 SoC) (7/21/2024)

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57 Nsɛmmisa
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Evaluating Expressions

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7.EE.2

Using Distributive Property

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Day 2 10/17/23

Opposite Operations and Solving Equations

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The examples below are different in that the multiplication/division is done FIRST, followed by the addition/subtraction.

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Solving Multi-Step Equations

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Day 3 10/18/23

Representing Relations and Functions

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Relations vs. Functions

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Vertical Line Test

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F.IF.1
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A.REI.10
F.IF.5
N.Q.1
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1.

Write each expression in words

k -14

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2.

Write each expression in words

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3.

Which words or phrases have the same meaning as addition?

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4.

Which words or phrases have the same meaning as subtraction?

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5.

Which words or phrases have the same meaning as division?

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6.

Which words or phrases have the same meaning as multiplication?

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7.
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8.
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9.

Evaluate each expression using the variable replacements.

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10.

Evaluate each expression using the variable replacements.

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11.

Evaluate each expression using the variable replacements.

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12.

Sort. Drag each statement to the matching expression.

  • The sum of 9 times a number and 4

  • 4 less than 9 times a number

  • 9 less than a number

  • 9 more than one-fourth of a number

  • 4 decreased by the product of a number and 9

  • 9x-4

  • x/4 +9

  • 4-9x

  • x-9

  • 9x+4

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13.

Simplify each expression by distributing.

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14.

Simplify each expression by distributing and combining like terms.

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15.

Match the operation with its inverse.

Draggable itemarrow_right_altCorresponding Item

inverse of multiplication

arrow_right_alt

subtraction

inverse of division

arrow_right_alt

addition

inverse of subtraction

arrow_right_alt

division

inverse of addition

arrow_right_alt

multiplication

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16.

What is the first step to solve this equation?

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17.

What is the first step to solve this equation?

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18.

What is the first step to solve this equation?

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19.

Solve this equation

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20.

Solve this equation.

15h - 9 = - 54

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21.

Solve this equation.

17 + 3k = 26

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22.

Solve this equation.

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23.

Solve this equation.

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24.

When solving two-step equations, always start with the __________.

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25.

What should I do FIRST to solve this problem?

3x + 5 = -16

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26.

What should I do FIRST to solve this problem?

-7 + 5f = 23

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27.

What should I do FIRST to solve this problem?

-11 = 2y + 3

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28.

What are the steps I need to solve this problem?

2x + 5 = 21

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29.

Put the steps in the correct order to solve this multistep equation.

  1. Use distribution to multiply (7a+5) by -4 to get -28a - 20=-160

  2. The solution is a = 5

  3. undo subtract 20 by adding 20 to both sides of the equations to get -28a = -140

  4. undo multiplying by -28 by dividing by both sides of the equation by -28 to get a = 5

  5. Check the solution by evaluating the original expression -4(7(5)+5) to verify that it equals -160

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30.

Solve this multi-step equation. Show your work (SYW)

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31.

Put the steps in the correct order to solve this multistep equation.

  1. The solution is x = -4

  2. undo subtract 3 by adding 3 to both sides of the equations to get -7x = 28

  3. undo multiplying by -7 by dividing by both sides of the equation by -7 to get x = -4

  4. Check the solution by evaluating the original expression -4x -7 - 3x +4 to verify that it equals 25

  5. Simplify like terms to get the equation -7x - 3 = 25

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32.

Solve this multi-step equation. Show your work (SYW)

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33.

Put the steps in the correct order to solve this multistep equation.

  1. undo subtract 6 by adding 6 to both sides of the equations to get 13k = 13

  2. Simplify like terms to get the equation 13k - 6 = 7

  3. Check the solution by evaluating the original expression 3k+2(5k-3) to verify that it equals 7

  4. The solution is k = 1

  5. Use distribution to multiply (5k-3) by 2 to get 3k+10k-6=7

  6. undo multiplying by 13 by dividing by both sides of the equation by 13 to get k = 1

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34.

Solve this multi-step equation. Show your work (SYW)

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35.

Solve this multi-step equation. Show your work (SYW)

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36.

Solve this multi-step equation. Show your work (SYW)

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37.

Use the set of ordered pairs to complete the relation table, relation mapping, and coordinate graph.

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38.

Determine whether the given relation is a function. (Function or Not a Function)

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39.

Determine whether the given relation is a function. (Function or Not a Function)

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40.

Determine whether the given relation is a function. (Function or Not a Function)

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41.

Determine whether the given relation is a function. (Function or Not a Function)

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42.

Determine whether the given relation is a function. (Function or Not a Function)

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43.

Determine whether the given relation is a function. (Function or Not a Function)

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44.

Directions: Complete each function table, then graph the function.

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45.

Evaluate each function for the given value.

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46.

Evaluate each function for the given value.

For questions 11-12, use the functions to the left.

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47.

Evaluate each function for the given value.

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48.

Evaluate each function for the given value.

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49.

Classify each item on the left based on whether it describes the domain or range of a relation.

  • The x-values of a relation (usually)

  • The output values of a relation

  • Represented on the horizontal axis of a coordinate plane

  • The y-values of a relation (usually)

  • Represented on the vertical axis of a coordinate plane

  • The input values of a relation

  • Domain

  • Range

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50.

Problem 1 Got It? Drag the values from the left to identify the domain and range of the relation.

Place each value only once.

  • 1

  • -2

  • 7

  • -7

  • -4

  • 4

  • -1

  • 2

  • Domain

  • Range

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51.

The function rule h = 18 + 1.5n represents the height, h, in inches, of a stack of traffic cones.

1. Complete the table for the function rule.

2. Plot the 4 ordered pairs from the table on a graph and use them to construct the line that represents all solutions of the function.

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52.

What does f(1) mean?

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53.

What does f(n) mean?

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54.

What does d mean?

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55.

What does n mean?

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56.
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57.