Algebra 1 unit 4 mid quiz

Algebra 1 Unit 4 Mid Quiz

Answers

Answer 1
Answer. Option A. y>3x+2
Explanation. Because the line is dotted, we know it is a > equation. We know that in slope-intercept form, the mx stands for is the slope (rise over run), by looking at the graph, we find that the slope is in fact 3 (or 3/1). For the second part of the equation, we know it’s the y-intercept; therefore, option A is correct because the y-intercept is in fact 2. Hope this helps, let me know if it’s correct so others can use it :)
Good luck.
Answer 2

The inequality that represents this graph is y < 2x + 2.

What are inequalities and their types?

Inequality is a relation that compares two numbers or other mathematical expressions in an unequal way.

The symbol a < b indicates that a is smaller than b.

When a > b is used, it indicates that a is bigger than b.

a is less than or equal to b when a notation like a b.

a is bigger or equal value of an is indicated by the notation a b.

The dotted line represents strictly less than or greater than.

From the graph, we can conclude that when x = 0, y = 2, and when x = 1 y = 4, and values of y are strictly less.

∴ The inequality that represents this graph is y < 2x + 2.

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Related Questions

What is the value of 3/4 divided by 3/8

Answers

Answer:

2

Step by Step Explanation

Keep Change Flip

3/4x8/3=24/12=2

Answer:

2

Step-by-step explanation:

3/4 divided by 3/8

3/4 x 8/3

cross simplify to get

1/4 x 8/1

cross simplify again to get

1 x 2 = 2

Sarah has a credit card balance of $9,450 with an APR of 17%. With her current budgeted payment, Sarah will be able to pay off this debt in 36 months. But Sarah’s best friend just invited her to spend two months in Europe with her in 9 months. Wanting to have her credit card balance paid off before she goes to Europe, Sarah decides to take on a second job. What additional monthly income will Sarah need in order to pay off her credit card in 9 months?

Answers

Answer:

C

Step-by-step explanation:

please help i don’t understand, thanks! :)

Answers

Answer:

B

Step-by-step explanation:

My best guess would be 12 tickets, but seeing as that is not an option, I see that the only similarity all of the numbers in the x column have is that they are even numbers, and B is the only option that is even as well

What is the distance between (1, -4) and (1, 18)?
O 2 units
O 5 units
19 units
22 units

Answers

Answer:

22 units is the correct answer

l

The distance between (1, -4) and (1, 18) is 22 .The correct option is 4

What is the distance between two points ( p,q) and (x,y)?

The shortest distance (length of the straight line segment's length connecting both given points) between points ( p,q) and (x,y) is:

 [tex]D = \sqrt{(x-p)^2 + (y-q)^2} \: \rm units.[/tex]

Substituting the values of the coordinates in the distance formula;

 D = [tex]\sqrt{(1-1)^{2}+(18+4)^{2} }[/tex]

     =[tex]\sqrt{(0)^{2} + (22)^{2} }[/tex]

     = [tex]\sqrt[n]{484}[/tex]

      = 22

So, 22 units is the right answer.

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Yoko made $242 for 11 hours of work.
At the same rate, how much would she make for 7 hours of work?

Answers

Answer:

$154

Step-by-step explanation:

Find the rate per hour as;

if  11 hours =$242

     1 hour =?

Perform cross product as:

{$242 *1} / 11 = $22

For 7 hours the amount made will be:

7* $22 = $154

2/3 Divided by blank= 6/8

Answers

Answer:

2

Step-by-step explanation:

hope it's correct

Which list has three equivalent fractions for 3/4?

Answers

1/3 and 2/3 and 4/4 yep I’m not good

Answer:

6/8 12/16 27/36

Step-by-step explanation:

Identify the range of the graphed function.

Answers

Answer:

0<y<8

Step-by-step explanation:

So, as you can see by the graph, the y axis has a plot as low as 0. soo it would be 0. Then the highest plot is marked as high as 8. Therefore its 0<y<8.

Had a hard time wording it so i hope you understand.

The range of the function will be; Range = {y | 0<y<8 }. Then the correct option is A.

What is a function?

A statement, principle, or policy that creates the link between two variables is known as a function. Functions are found all across mathematics and are required for the creation of complex relationships.

We know that domain means all the possible values of x and the range means all the possible values of y.

So, as we can see by the graph, the y axis has a plot as low as 0. it would be 0. Then the highest plot is marked as high as 8.

The domain of the function is (0, 8] and the range of the function will be

Range = {y | 0<y<8 }

Then the correct option is A.

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Daniel has to carry 32 boxes to his room. He can
carry 4 boxes on each trip. How many trips will
Daniel take? Show your work?

Answers

32 divided by 4= 8
So 8 trips in total

Daniel will take 8 trips.

What is division?

The division is one of the four basic mathematical operations, the other three being addition, subtraction, and multiplication.

Now it is given that,

Number of boxes = 32

Number of boxes can be carried in each trip  = 4

So, Number of trips = Number of boxes / Number of boxes can be carried in each trip

⇒ Number of trips = 32/4

⇒ Number of trips = 8

this is the required number of trips Daniel will take.

Thus, Daniel will take 8 trips.

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Which models show the problem 4/6 : 2/6 = 2? Check all that apply :​

Answers

Answer: 1st, 2nd, and 3rd option are correct :) ✨

Step-by-step explanation:

Answer:

A, B, C

Step-by-step explanation:

If the sum of three consecutive numbers is 1998, what is the first one?

Answers

Answer:

666

Step-by-step explanation:

Because I said so.

The number and frequency of a certain ocean's hurricanes annually from 1930 through 2005 is shown below. This means, for instance, that no hurricanes occurred during 4 of these years, only one hurricane occurred in 15 of these years, and so on. Complete parts a through c below. Number Frequency 0 4. 1 2 3 4 15 20 13 5 5 6 6 4 7 4 8 2 9 1 12 1
a. Find the probabilities of 0-12 hurricanes each season using these data. 7 8 9 12 4 2 1 1 Number 0 1 2 3 5 6 Frequency 4 15 20 13 5 6 4 Probability (Type integers or decimals rounded to three decimal places as needed.)

Answers

Answer:

Shown below.

Step-by-step explanation:

The table showing the umber and frequency of a certain ocean's hurricanes annually from 1930 through 2005 is:

   Number:     0     1      2     3      4    5     6     7    8     11     12      

Frequency:    5    16    20   14      3    5     4     4    2      1       1

The probability of an events, say E is the ratio of the number of favorable outcomes to the total number of outcomes.

[tex]P(E)=\frac{n(E)}{N}[/tex]

Compute the probabilities of 0 - 12 hurricanes each season as follows:

Number Frequency Probability

     0       5             0.07

     1              16                   0.21  

     2     20             0.27

     3      14             0.19

     4       3             0.04

     5       5             0.07

     6       4             0.05

     7       4             0.05

     8       2             0.03

    11       1                     0.01

    12         1              0.01

 Total     75             1.00

Who here got zoom and can do math?

Answers

Not me I do not have it

lol no use meeting. But zoom is good too.

Write the following statement as a mathematical expression.
Let x be a number.
A number decreased by three squared
Use the ^symbol to represent an exponent.
For example: 52 should be typed as 5^2

Answers

Answer:

x - 3^2

Step-by-step explanation:

reaching 20 character limit

Multiply. Simplify your answer and write as a mixed or whole number.

6 1/3 ⋅ 2

Answers

38/3 or 12 2/3
Pls mark brainliest

what is 6 1/4 divided by 6 1/2?

Answers

So uh this came up , I hope this helps

What is the solution to g-8= -24?

Answers

Answer:

g=16

Step-by-step explanation:

Answer:

g=-16

Step-by-step explanation:

In the given picture, y/x =4 and z/x =3. Find x.

Answers

Answer:

Step-by-step explanation:

x=22.5 degrees

[tex]\frac{y}{x} =4[/tex]

[tex]\frac{z}{x} =3[/tex]

[tex]y = 4x[/tex]

[tex]z=3x[/tex]

[tex]x +3x+4x=180[/tex]

[tex]8x=180[/tex]

[tex]\frac{8x}{8} =\frac{180}{8}[/tex]

[tex]x=22.5[/tex]

A store plans to sell two different game consoles, the Wii and the xbox. The store’s wholesale price for the Wii is $250, and the store can sell one for $295. The xbox wholesale price is $400, and the store can sell it for $450. The stores marketing research indicates that the total monthly demand for game consoles will not exceed 250 units sold. The store’s financial manager doe not want to invest more than $70,000 in inventory costs for game consoles. Write the constraints and the objective formula.

Answers

I'll answer this question in a bit, I am busy with some other things right now.

what is the volume of 2 G piece of gold? (Best answers gives brainlist answers)​

Answers

Answer:

2 grams

Step-by-step explanation:

2 grams of gold is equivalent to 2 grams

quick easy math question please help write in fraction form brainliest will be awarded :)))

- [tex]\frac{5}{8}[/tex] + [tex]\frac{3}{4}[/tex]

Answers

Answer:

- 5/8 + 3/4 = 1/8

Step-by-step explanation:

I hope this helps!

which statement best describes f(x), graphed on the coordinate plane below?

Answers

Hola cómo estás estás en el hospital y cómo te vas ir mañana a esperar a

What is the equation of this line

A. Y = 2x - 3

B. Y = -1/2x - 3

C. Y = -2x - 3

D. Y = 1/2x - 3

Answers

I think the anser c that what i think

What are the measures of angle A,B,C and D?

Answers

A) 35 B) 50. C) 85. D) 30

Do want me to explain it too?
I only one of those are 35

You track inventory at a furniture store. On Monday, the delivery truck delivers 15 new mattresses. Your team sells seven mattresses on Monday, two mattresses on Tuesday, zero on Wednesday, and five on Thursday. You receive a new order Friday morning of 15 mattresses. How many mattresses do you now have available?

Answers

Answer: 16

Step-by-step explanation: You started with 15 , you lose 7 Monday which leaves you with 8 , 2 on Tuesday which leaves you with 6 , 5 on Thursday which leaves you with 1 and then you received 15 on Friday which brings you to 16

The number of mattresses available now is 16.

Given that, On Monday, the delivery truck delivers 15 new mattresses. Number of mattresses sold on Monday=7, number of mattresses sold on Tuesday=2, number of mattresses sold on Wednesday=0, and number of mattresses sold on Thursday=5.

What is an equation?

Equations are mathematical statements containing two algebraic expressions on both sides of an 'equal to (=)' sign. It shows the relationship of equality between the expression written on the left side with the expression written on the right side. In every equation in math, we have, L.H.S = R.H.S (left hand side = right hand side). Equations can be solved to find the value of an unknown variable representing an unknown quantity.

Let number of mattresses do you now have available be x.

Given that, receive a new order Friday morning of 15 mattresses.

So, x=15-(7+2+0+5)+15

=30-14=16

Therefore, the number of mattresses available now is 16.

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3. What is the value of x?
(8x -- 8)
(7x - 8)

A -16
B. 120
C. 60
D. 16

Answers

Answer:

16

Step-by-step explanation:

took test

How do you do these questions?

Answers

Step-by-step explanation:

(a) Fₙ₋₁ > 0, so Fₙ₊₁ > Fₙ.  Each term is bigger than the one before it, so the function is increasing, meaning the series will diverge to infinity.

(b) Fₙ₊₁ / Fₙ = (Fₙ + Fₙ₋₁) / Fₙ

Divide.

Fₙ₊₁ / Fₙ = 1 + (Fₙ₋₁ / Fₙ)

Rewrite the second fraction using negative exponent.

Fₙ₊₁ / Fₙ = 1 + (Fₙ / Fₙ₋₁)⁻¹

Take the limit of both sides as n approaches infinity.

lim(n→∞) Fₙ₊₁ / Fₙ = 1 + lim(n→∞) (Fₙ / Fₙ₋₁)⁻¹

Substitute with φ.

φ = 1 + φ⁻¹

Solve.

φ² = φ + 1

φ² − φ − 1 = 0

φ = [ -(-1) ± √((-1)² − 4(1)(-1)) ] / 2(1)

φ = (1 ± √5) / 2

Since the ratio can't be negative:

φ = (1 + √5) / 2

PLZ HELP WILL VOTE BRAINIEST

Answers

x + 1

Combine like terms, so terms with x go together and terms without an x go together

So 2x - x = x
3 - 2 = 1
That's as simplified as it can be

x + 1

Combine like terms, so terms with x go together and terms without an x go together

So 2x - x = x

3 - 2 = 1

That's as simplified as it can be

Brainiest please

(x7) - 3 = 4
Find what X = ?

Answers

Answer:

1

Step-by-step explanation:

add 3 to 4

(1x7)= 7

What is the value of cos(tan-1(0))?

–1
0
1
StartFraction pi Over 2 EndFraction

Answers

Answer:

answer is 1

Step-by-step explanation:

just did test on edge

The value of cos(tan^-1(0)) is 1. Therefore, option C is the correct answer.

We need to find the value of cos(tan^-1(0)).

What are the trigonometric ratios?

In mathematics, trigonometric functions are real functions which relate an angle of a right-angled triangle to ratios of two side lengths. The six trigonometric ratios are sine (sin), cosine (cos), tangent (tan), cotangent (cot), cosecant (cosec), and secant (sec).

Now, cos(tan^-1(0))

⇒tan^-1(0)=0

⇒cos(0)=1

The value of cos(tan^-1(0)) is 1. Therefore, option C is the correct answer.

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