Review of Lessons of Unit 1 1/2

Presentation

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Mathematics

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9th Grade

•

Practice Problem

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Medium

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CCSS

8.EE.C.7B, HSF.IF.A.1, 5.OA.A.1

+11

Standards-aligned

Used 12+ times

FREE Resource

8 Slides • 22 Questions

Review of Lessons of Unit 1 1/2

We will review all concepts covered this quarter: Order of Operations, Solving Equations, Translating Expressions, Consecutive Integers, Relations vs. Functions, and Evaluating Functions

Order of Operations

Parenthese ( ), { }, [ ]
Exponents aⁿ
Multiplication x, ( ), *
Division / , $\div$
Addition
Subtraction

Multiple Choice

\left(3\times5^2\div15\right)-\left(5-2^2\right)

Multiple Choice

Which operation would you do first in the following equation?

10 - 4 ÷ 1 x 5

Subtraction

Division

Multiplication

Addition

Multiple Choice

Which operation would you do first?

( 12 + 10) ÷ 10 x 14 - 6

Division

Multiplication

Addition

Subtraction

Solving Equations

Be familiar with Algebraic Properties
Use Opposite Operations

Multiple Choice

4(4+4x)=96

1.5

Multiple Choice

19=14+t

Multiple Choice

\ -3x+17=12-x

-2 1/2

2/5

11/4

2 1/2

Literal Equations

Formula
Rearrange for a specific variable
Use opposite Operations

Multiple Choice

Solve the equation for d.
d / t = r

d = r / t

d = t / r

d = rt

d = r - t

Multiple Choice

Solve for x.
x + 7g = 9

x = 9 - 7g

x = 9 / 7g

x = 9 + 7g

x = 7g - 9

Multiple Choice

Solve the equation for x.
3x - 2y = 6

x = (6-2y) / 3

x = (6+2y) / 3

x = (6- 2y)/ -3

x = 3 + 2y

Translating Expressions/Equations

Change verbal expressions/equations to algebraic expressions/equations
Change algebraic expressions/equations to verbal

Multiple Choice

What is the difference between an expression and equation?

Expressions have an equal sign and equations do not have an equal sign

Expressions do not have an equal sign and equations do have an equal sign

There is not a difference

Expressions do not have variables and equations have variables

Multiple Choice

Write an algebraic expression for:
three times a number plus 16

3(16)+n

16n+3

3n+16

Multiple Choice

Translate this phrase into an algebraic expression.
8 less than the product of 4 and a number
Use the variable m to represent the unknown number.

8 - 4m

8m - 4

8m + 4

4m - 8

Consecutive Integers

Consecutive Integers
1st- x
2nd- x + 1
3rd- x + 2

Consecutive Even/Odd Integers
1st - x
2nd - x + 2
3rd - x + 4

Multiple Choice

The sum of two consecutive integers is 123. What is the smallest of the two integers?

Multiple Choice

Find three consecutive even integers whose sum is 84.

26, 28, 30

28, 30, 32

27, 28, 29

24, 26, 28

Multiple Choice

Find four consecutive odd integers whose sum is 128.

32, 34, 37, 38

27, 29, 31, 33

29, 31, 33, 35

25, 27, 29, 31

FUNCTIONS

Relation vs. Function
Evaluating Functions

Multiple Choice

Arcadia Inc. manufactures videogames. This is a graph showing the profit, in thousands of dollars, made by the company over the first six months of the year. Which statement about the company's profits is incorrect?

The profits increased from January to February.

The largest profit for the six-month period was $275,000.

The profit decreased from April to June.

The smallest profit for the six-month period was $150,000.

Multiple Choice

What is f(6) for the function f(x)=3x-8

-8

-144

answer not here

Multiple Choice

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

D: {1, -3, -4,}
R: {0, 1, 2, -4}

D:{0, 1, 2, -4}
R:{1, -3, -4}

D:{0, 1, 2, 3, 4}
R:{1, -3, -4}

D:{0, 1, 2, 3}
R:{0, 1, 2, 3, 4}

Multiple Choice

Does the graph represent a function?

Yes, because the vertical line test shows there are no repeating input values

No, because the vertical line test shows there are repeating input values

Multiple Choice

Is this a function?

Yes

Multiple Choice

Is this table a function or not a function?

Function

Not a Function

Poll

What area of Math 1 have we covered that you need more practice/assistance with?

Solving Equations

Consecutive Integers

Relations/Functions

Translating Expressions/Equations

Literal Equations

Review of Lessons of Unit 1 1/2

We will review all concepts covered this quarter: Order of Operations, Solving Equations, Translating Expressions, Consecutive Integers, Relations vs. Functions, and Evaluating Functions

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