Mathematics High School

Explain how to determine the x- and y- intercepts of a line from a given equation in y = mx + b form.

Answers

Answer 1

Answer:

Step-by-step explanation:

x-intercept:  Set y = 0 and solve for x:

 0 = mx + b, or mx = -b, or x = -b/m.  x-intercept is then (-b/m, 0)

y-intercept:  Set x = 0 and solve for y:  y = m(0) + b, or y = b.  y-intercept is then

 (0, b).

Related Questions

HELP PLEASEEE!!! Which technique is most appropriate to use to solve each equation?

Answers

Answer: (x+4)(x-9)=0 is zero product property, you're correct on the second one

Step-by-step explanation:

Use the following diagram to find the sum of angle A and angle C.

A. 45 degrees
B. 90 degrees
C. 115 degrees
D. 180 degrees
E. 270 degrees​

Answers

Answer:

[tex]a + c = 180 - 65 = 115[/tex]

The product of -3 and -7 is positive.


True False

Answers

True!! If you multiply -3 x -7 you get 21!!

Answer:

True ☑

Step-by-step explanation:

[tex] - 3 \times - 7 \\ = {}^{ + } 21[/tex]

Which expression is not a trinomial?
A. x^4+x-2
B. 3x^3 +3^3
C. 2x^3 + x^2 - 4x - 2x^3 +1
D. x^2+x+1

Answers

Answer:

Option D.

Its a Polynomial or Binomial of index 2

Help pls!!!!!!!!!!!!!!

Answers

Answer:

46°

Step-by-step explanation:

tan Ф = 21/20

Ф = tan-1 (21/20)

= 46°

If a circle has a circumference of 43.96 units, what is the approximate area of the circle? (Use 3.14 as an
approximation of pi.)

Answers

Answer:

If we were to use 3.14 as pi . . .

43.96/3.14 = 14

14/2 = 7

7 x 7 = 49

49 x 3.14 = 153.86

153.86 would be the correct answer

But if we were to use pi. . .

615.1279985 would be the answer.

Answer:154 rounded to whole number

Step-by-step explanation:

C=pi ×d

43.96 = 3.14 ×d

d= 43.96÷3.14

d= 14

So radius is 7 (half of diameter)

Area=3.14×7×7

=153.86

PLEASE hello please help i’ll give brainliest

Answers

Answer:

A

Step-by-step explanation:

First value is 1, second value is 2 and the third value is 6, 1+2 is 3, add 6 and you get 9

Wait what about this one

Answers

Answer:

I believe it is 7/20

Step-by-step explanation:

FOLLOW ME ON TWITCH 1mr46n0ob1

Answers

3333334444444353553535354

The price of an item yesterday was $130. Today, the price rose to $351. Find the percentage increase.​

please help and I will mark you braniest!

Answers

Answer: The percentage increase is 170%

Step-by-step explanation:

Increase= $351 - $130

Increase= 221

Percent increase = 221/ 130

Percent increase= 170%

I'm not sure if I'm right, but I hope that this helped:)

Answer:

170%

Step-by-step explanation:

130 = 100%

65 = 50%

13 = 10%

351 - 130 = 221 (doesnt count)

221 - 130 = 91

91 - 65 = 26

26 - (13 + 13) = 0

100 +  50 + 20 = 170%

If two zeroes of the polynomial f(x)=x3−4x2−3x+12 are √3 and -√3 then find its third zero.

Answers

Answer:

Third zero is 4

Step-by-step explanation:

The polynomial is;

f(x) = x³ − 4x² − 3x + 12

We are given 2 zeros which are √3 and -√3.

This means that a factor of the polynomial will b; (x² - 3) because when it is equated to zero, x will be √3 and -√3.

Now, to get the other factor of the polynomial, we have to divide x³ − 4x² − 3x + 12 by (x² - 3) using long division method.

I have attached this long division method and we have the third factor as; (x - 4)

Equating to zero, we have x = 4 as the third zero of the polynomial

Plant A is 14 inches tall and growing at a rate of 0.5 (½) inches each day. Plant B is 8 inches tall and is growing at a rate of 2 inches each day. When will plants A and B have the same height?

Answers

Answer:

They will both have a height of 16 inches in 4 days.

Step-by-step explanation:

Hope this helps :D

Use the graph to write a linear function that relates Y toX

Answers

In the graph you can see the point are crossing Y -1 and x= 2,
x-y=xy
2-1=1
Y=1

14. Find the length of the unknown leg of the right triangle. 12.75 37.25 ?​

Answers

Answer:

35

Step-by-step explanation:

We can assume the longer side is the hypotenuse because it is significantly longer than the other side.

From there, we can do Pythagoreans Theorem.

a^2+b^2=c^2

where can is the hypotenuse.

(12.75)^2+ b^2 = (37.25)^3

162.5625 + b^2 = 1,387.5625

-162.5625 -162.5625

b^2= 1,225

square root both sides.

b= 35

help plzzzzzzzzzzzzzzzzzzzzzzzzzzz

Answers

Answer:

I think I just posted that last time. Check my timeline

Can someone help me please

Answers

Answer:

its A

Step-by-step explanation:

it is a because its -9 down and 7 to the right

Two sides of a triangle are labeled as 7 units and 12 units. What is the range of
possible values for the third side?
F 2 < x < 17
G 7 < X < 12
H 5 < x < 17
J 5 < x < 19

Answers

I think answer should be the first option please give me brainlest let me know if it’s correct or not okay thanks bye

What is the range of the function f(x)=2x+4f⁢(x)=2x+4 when the domain is {-2, 0, 3}?

A. {0, 4, 10}

B. {4.25, 5, 12}

C. {4.25, 4, 12}

D. All real numbers

Answers

D. All real numbers is the answers

please help!!

show work(factoring)

u^4 - 3u^2 - 4

Answers

Answer: (u^2+1) * (u-2) * (u+2)

Help Me And If ITs Right Ill Give Brainliest to you

Answers

Answer: I thınk so aswer ıs B

Step-by-step explanation:

MARKING BRAINLIEST ..Please

Answers

Answer:

B

Step-by-step explanation:

Have a good day :)

Answer: I think D.

Step-by-step explanation:

What is the equation of the line that passes through the point (-4, 2) and has a slope of -5/4?​

Answers

Answer:

y = -5/4 x - 3   is the slope-intercept form

5x + 4y = -12    is the standard form

Step-by-step explanation:

Use the point-slope form:  [tex]y - y_{1} = m(x - x_{1})[/tex]

[tex](x_{1}, y_{1})[/tex] = (-4, 2)

y - 2 = -5/4(x + 4)       Multiply by 4 to remove the fraction

4y - 8 = -5(x + 4)

4y - 8 = -5x - 20

4y = -5x - 12

y = -5/4 x - 3   is the slope-intercept form

5x + 4y = -12    is the standard form

Christopher the barber did 8 haircuts. One of the 8 was a walk-in. Express the amount
of walk-ins as a percent.

Answers

It’s 12.5% I hope this helps but that’s the correct answer :)


3. Mrs Naidoo wants to buy a new kitchen cabinet on which she can place her new
microwave. Mrs Naidoo notices one advertised for R3 999,00. She decides to
save until she has enough cash to pay for the kitchen cabinet. She uses her
December bonus of R2 900,00 to deposit into her savings account where she
is offered 3,5% p.a. compound interest.
Determine if Mrs Naidoo will be able to afford the kitchen cabinet a year later if she
adds R960,00 to the saved amount.

please help
​

Answers

Answer:

thats about like ummm 69?

Step-by-step explanation:

PLEASE HELP PLEASE HELP

Answers

Answer:

B) 24

Step-by-step explanation:

The area of the rectangle is 48 units (8 x 6).

The base of the is 6 units and the height is 8 units. The formula for the are of a triangle is A = [tex]\frac{1}{2}[/tex]bh.

b = base

h = height

A = [tex]\frac{1}{2}[/tex](6)(8)

A = 24

Answer:

[tex]24[/tex]

Step-by-step explanation:

If the area of a rectangle is bh, and the area of a triangle is bh/2, then a triangle's area is half a rectangle's area. Hence, if the area of the rectangle is 48, the area of the triangle is half of 48, or 24.

24 6 2 9 3=5 make it true

Answers

Answer:

24-6-9-2-3+2+2-3 = 5

Step-by-step explanation:

I hope this helps!

What is the answer and how do you get it?

Answers

Y^5*2^7 bc you have to had the exponents if you see a multiple sign but if you see a division sign you subtract

Answer:

it would D, when you simplify both expressions, they get the same result which is 1024y^6

Mia bicycles every day. Based on the graph, if Mia rides for 1.5 hours, how many miles does she bike?

A. 5
B. 10
C. 15
D. 20

Answers

Answer:

ITS C IT IS C!!!!!!!

A bag contains 3 red marbles, 6 blue marbles and 8 green marbles. If three marbles are drawn out of the bag, what is the probability, to the nearest 1000th, that all three marbles drawn will be green?

Answers

Answer:

8.236%

Step-by-step explanation:

P(G,G,G) = 8/17 x 7/16 x 6/15

= 7/85 (simplified)

7/85, in decimal form, is .082352

.082352 in percent form is 8.236%

Tickets to a football game cost 5$ for students and 7$ for adults. write and solve a system of equations to determine the number to student tickets sold and the number of adult tickets sold at the most recent home football game if a total of 680 people purchased tickets and the ticket booth sold 3,914 worth of tickets. Does anyone know the equation? Tysm in advance tho if you help!

Answers

Answer:

x + y = 680

5x + 7y = 3914

Step-by-step explanation:

Let the amount of students who purchased tickets equal x.

Let the amount of adults who purchased tickets equal y.

If you add the amount of adults and students, you get the total amount of people:

x + y = 680

Also, to find the amount students spent on tickets, you multiply the ticket price by the amount of students to get 5x. And to find the amount adults spent on tickets, you multiply the ticket price by the amount of adults to get 7y. By adding the two amount, you get the total amount of money:

5x + 7y = 3914

These are the two equations:

x + y = 680

5x + 7y = 3914

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