Mathematics High School

Factoring trinomials
Select two for each

Answers

Answer 1

[tex]\mathfrak{\huge{\pink{\underline{\underline{AnSwEr:-}}}}}[/tex]

Actually Welcome to the Concept of the Factors of a quadratic polynomial.

1.) x^2 -7x-18 = (x-9) (x+2)

2.) x^2-x-42= (x-7) (x+6)

Related Questions

What would you do in order to write 1/5x +
1/3y = 9 in standard form?

Answers

multiply all terms by the common denominator which is 15

The floor of the room where the documents will be displayed is rectangular
in shape. The length of the floor is four times the width. The floor area is
144 square feet. Write and solve a quadratic equation to find the length
of the display floor. Show the steps you used to solve the problem and
write your answer in a complete sentence.

Answers

Answer:

576

Step-by-step explanation:

Which graph shows the solution to the inequality –0.5x ≤ 7.5?
__________________________________________________
A) A number line going from negative 18 to negative 8. A closed circle is at negative 15. Everything to the right of the circle is shaded.

B) A number line going from negative 18 to negative 8. A closed circle is at negative 15. Everything to the left of the circle is shaded.

C) A number line going from negative 5 to negative 2.5. A closed circle is at negative 4. Everything to the right of the circle is shaded.

D) A number line going from negative 5 to negative 2.5. A closed circle is at negative 4. Everything to the left of the circle is shaded.
__________________________________________________

Answers

Answer:

The first option

Step-by-step explanation:

Finished assignment

Answer:

the first option

Step-by-step explanation:

Suppose a stage for the Lunar New Year festival has a length of 24 feet and a width of 4x + 4 feet. If the area of the stage is 384 square feet, what is the value of x?

Answers

Answer:

The value of x is 3

Step-by-step explanation:

The stage is rectangular in shape.

The formula for area of a rectangle is:

Length × Width

Length = 24 feet

Width = 4x + 4 feet

Hence:

384 = (4x + 4) × (24)

384 = 96x + 96

Collect like terms

384 - 96 = 96x

288 = 96x

x = 288/96

x = 3

The value of x is 3

Jack takes out a student loan for $6,000 at a simple interest rate of 11.3% per year. How much total
interest will Jack owe at the end of 6 years? Assume he does not make any payments during that time?

Answers

Answer:

$10,068

Step-by-step explanation:

6000

100+11.3÷100=1.113

6000x1.113(^6)

11405.71

or 11405.70

The ratio
1 mm represents 1 cm
is the same ratio as
1:10
Complete the following
The ratio
1 cm represents 1 km
is the same ratio as
1 :

Answers

1 : 100,000
Because there are 100cm in a m and 1000m in a km
100 x 1000 = 100,000

PLEASE HELP ME 18 POINTS PLEASE HELP

Answers

Answer:

the y-intercept it at 3

Answer:

(3,0) !

Step-by-step explanation:

The y intercept is where the given line touches the y axis (the vertical line of a coordinate plane)

I hope this helps!

please help im stuck and i dont have time

Answers

Answer:

a. [tex]3x^{2} \\\\[/tex]

b. [tex]5x+1[/tex]

Step-by-step explanation:

The average speed of a car that travels 130 miles in 2 hours.

Answers

Answer:

65mph

Step-by-step explanation:

Answer:

speed = distance/time

speed = 130/2

speed = 65 mph

Step-by-step explanation:

E (0,3), F (1,-1), G (4, 2), H (-1,3) what's EF? And What's GH?

Answers

Answer:

I'm assuming you want the distance between the two point

EF = [tex]\sqrt{17\\}[/tex]

GH = [tex]\sqrt{26}[/tex]

Step-by-step explanation:

If the dollar store is 5 miles away from my house, and my dad walks at 5 Mph, why has it taken my dad 12 years to come back?

Answers

Hes friends with my dad

You pay 4.5% interest on your credit card bill every month. This month your bill was $900. How much was your total bill after interest?

Answers

Answer:

4,050 IS THE TOTAL AMOUNT

Step-by-step explanation:

900 times 4.5 is 4,050

(if this is correct can i get brainlist)

$940.5

if you’re paying 4.5% interest on something you’re paying that amount PLUS interest. you would change 4.5% to a decimal and multiply by the bill amount

.045 x 900 = 40.5

add $40.5 to the bill , $900 , and get your answer.

hopes this helps!!

Anyone know this pls help ill give brainliest :)

Answers

Answer:

30, 40, 60, 70,

Step-by-step explanation:

pattern by 10

For 3=30

4=40

6=60

7=10

Calculate the slope

50-20/5-2

What is the solution to this system of linear equations?

x + y = 4

x − y = 6

Answers

Answer:

x=5 , y= -1

Step-by-step explanation:

You can see that one of the y's is negative while the other is positive, so you can add them together.

Now, negative 1 + positive 1 = 0, so the y's cancel out leaving only the x's.

Remember you can't add one part without adding the other so x+x = 2x, and 4+6=10. This makes the final equation 2x=10.

You can simplify that into x=5. This gives you the answer for x

Then substitute x=5 into any of the two equations (doesn't matter) I'll use the first one. So if you substitute it you get 5+y=4.

Simplified, y= -1

Therefore, x= 5 and y=-1

Answer:

(5,-1)

Step-by-step explanation:

Got it right on edge cause of the guy above me

what is 12 to the power of 0 simplified?

Answers

Step-by-step explanation:

the answer is 1

x^0 = 1

12^0 = 1

im not that sure

slope for (1,-1) (-1,-2)
lol sorry

Answers

Answer:

m = 1/2

Step-by-step explanation:

Slope(m) = (y-y1)/(x-x1)

= (-1 - (-2))/(1 - (-1))

= (-1+2)/(1+1)

= 1/2

Stan evaluated a function with a value and got 3 as the result. He wrote the entire process as a sentence: The function , when evaluated with , gives the value 3.

Answers

The answer is f(x)=x²+2x when evaluated with -3 gives you the value of 3

The function f(x) = x^2-1 when evaluated with 2, gives the value 3.

What is a function?

A function can then be defined as a set of ordered pairs. Function is an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).

For the given situation,

Stan evaluated a function with a value and got 3 as the result.

For this statement, we can frame many functions with different inputs.

Let us consider the function,

(1) [tex]f(x)=2x-3[/tex]

Now substitute x = 3,

⇒ [tex]f(3)=2(3)-3[/tex]

⇒ [tex]f(3)=6-3\\[/tex]

⇒ [tex]f(3)=3[/tex]

(2) [tex]f(x)=x^{2} -1\\[/tex]

Now put x = 2,

⇒ [tex]f(2)=2^{2}-1[/tex]

⇒ [tex]f(2)=4-1[/tex]

⇒ [tex]f(2)=3[/tex]

Similarly we can make many functions that has the value 3 as the result.

Hence we can conclude that the function f(x) = x^2-1 when evaluated with 2, gives the value 3.

Learn more about functions here

https://brainly.com/question/2590944

#SPJ2

What is the value of 2/13÷2/3

Answers

Answer:

[tex]\frac{2}{13}/\frac{2}{3}\\ \frac{2}{13}*\frac{3}{2}\\\frac{3}{13}[/tex]

Step-by-step explanation:

al made a treehouse last summer. He started by making a model. the model included a window with height 1/3 inch. and width 1/6 inch. the actual tree house window had height of 1/2 yd. and width 1/4 yd. al incorrectly said that the ratio of the height of the window in the model to the height of the window in the tree house was 3/2. what was the correct ratio?

What’s is Al’s likely error?

A- He reversed the order of the terms in the ratio
B-he found the ratio of the height to width for one window instead of the ratio of heights
C- He did not covert one of the units before finding the ratio
D-He found the ratio of the widths instead of the ratio of the heights.

Answers

Answer:

Step-by-step explanation:

I lookdit up on google

It costs $4.25 per game at the bowling alley.
plus $1.90 to rent shoes. If Wayne has $20.
how many games can he bowl?

Answers

Answer:

Wanye can only bowl 4 times.

Step-by-step explanation:

the expression for this equation is

20 = 4.25x + 1.90

subtract 1.90 from both sides

18.10 = 4.25x

See how many times 4.25 can go into 18.10

1.) 18.10 - 4.25 = 13.85

2.) 13.85 - 4.25 = 9.60

3.) 9.60 - 4.25 = 5.35

4.) 5.35 - 4.25 = 1.1

1.1 < 4.25 so you can't subtract it

the answer is 4 times

quadratic equations
9 + 2x2 + 2 =0

Answers

Answer:i kinda don't understand but i guess you mean sqrt11/2?

Step-by-step explanation:2x^2+11=0 easy move

Select all ratios equivalent to 7:2 ?

Answers

Answer: 14:4 , 21:6 , 28:8 , 35:10

Step-by-step explanation:

If g(x) = 8-2 (3x-4) what is the value of g(-5)

Answers

Answer: 46

Step-by-step explanation: g(-5)= 8-2 (3(-5)-4), equals 46! Hope this helps :)

Fill in the missing numbers in these equation
(-2) . (-4.5)= ?
?=

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9
Multiplying two negatives makes it positive.

PLEASE HELP QUICKLY
What is the value of y

Answers

Answer:

y= 8

Step-by-step explanation:

In a Triangle we know,

W+Y+X=180 degree

then,

(180-52)+(4y-4)+3y=180

or, 128+4y-4+3y= 180

or, 7y= 180- 124

or, y= 56/7

or, y= 8

hope you got it.

Determine if the given lines are parallel, perpendicular, or neither
19. y + 5 = -12
x-y=10
20. 3x-5y=10
10x+6y=-36
I WILL GIVE BRAINEST!!! I NEED HELP DUE IN 2 HOURS
19 AND 20!!
I WILL ONLY GIVE BRAINEST IF YOU ACTUALLY DO THAT PROBABLY

Answers

Answer:

i had to do this like a few weeks ago but i only remember that the parallel ones have the same slope

Step-by-step explanation:

Step-by-step explanation:

19.y+5=-12

y=-12-5

y=-17

x-y=10

x+17=10

x=10-17

x=-7

20.3x-5y=10

3*-7-5*-17=10

-21+85=10

64=10

10x+6y=-36

10*-7+6*-17=-36

-70+102=-36

32=-36

Graham drove 42 1/3 miles in 1 1/3 hours
How many hours did he take to drive one mile?

Answers

Answer: 1.89 minutes

Step-by-step explanation: If we take 1 and 1/3 hours and turn that into minutes we get 80 minutes we then divide it by the number of miles 42 1/3. We would get about 1.89, so it took about 1.89 minutes

for each graph below, state wether it represents a function.

Answers

Answers:

Row 1: No, No, No

Row 2: Yes, Yes, Yes

===============================

Explanation:

Use the vertical line test. If it is at all possible to draw a single vertical line through more than one point on the relation curve, then the relation is not a function. This is because a function is only possible when any x input leads to exactly one y output.

So that's why graphs 1,2,3 are not functions, while graphs 4,5,6 are functions.

Which of the following cannot be simplified?

Answers

Answer:

Step-by-step explanation:

Answer:

c. 8x-1

Step-by-step explanation:

all of the other ones can be simplified in some way

Please help

Find the distance between points P(2, 2) and Q(7, 4) to the nearest tenth.

7

5.4

10.8

4.5

Answers

Answer:

5.4

Step-by-step explanation:

since they are 5 apart on the x-axis, and 2 on the y-axis. You'd multiply by the power of 2 add both of them together and square root. Giving you about 5.38516 rounding to the nearest tenth of 5.4

your answer is 5.4 because you need to divide

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Factoring trinomials Select two for each

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Factoring trinomials
Select two for each