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4 years ago

Write an equation of the line given the slope and y-intercept below. m= 5 b=4

Mathematics

2 answers:

erastova [34]4 years ago

7 0

Answer:

y=5x+4

Step-by-step explanation:

Hi!

They want you to use the slope-intercept form

slope-intercept form is y=mx+b

m=slope

b=y-intercept

So, since m=5 and b=4 you just replace the values in y=mx+b

Therefore, y=5x+4

I hope this helps!!! :)

Valentin [98]4 years ago

7 0

That is correct...

y=5x+4 :3

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Seven times the difference of x and 4 is -10

4vir4ik [10]

Answer:

In this equation x = 2

Step-by-step explanation:

First, it is easiest to convert these words to numbers. That would make it

4 - x · 7 = -10

First subtract 4 from both sides.

4 - x · 7 - 4 = - 10 - 4

Then you simplify.

-x · 7 = -14

Divide both sides by 7.

$\frac{-x(7)}{-7} = \frac{-14}{-7}$

Then you simplify that fraction to 2 and thats how you get your answer.

7 0

3 years ago

The variables y and x have a proportional relationship, and y = 5 when x = 4. What is the value of x when y = 8? Enter your answ

Charra [1.4K]

Answer

Find out the what is the value of x when y = 8 .

To prove

As given

The variables y and x have a proportional relationship.

$y \propto x$

y = kx

Where k is the constant of proportionality.

As y = 5 when x = 4

Put in the above

5 = 4k

$k = \frac{5}{4}$

Now find out the value of x , when y = 8

$8 = \frac{5\times x}{4}$

$x = \frac{8\times 4}{5}$

x= 6.5

Therefore when y = 8 than x = 6.4

7 0

3 years ago

Read 2 more answers

Q1: Identify the graph of the equation and write an equation of the translated or rotated graph in general form.

marin [14]

Answer:

C. hyperbola; $9x^2-25y^2-250y-850=0$

Step-by-step explanation:

The given conic has equation:

$9x^2-25y^2=225$

Divide through by 225.

$\frac{9x^2}{225}-\frac{25y^2}{225}=\frac{225}{225}$

$\frac{x^2}{25}-\frac{y^2}{9}=1$

This is a hyperbola centered at the origin.

The hyperbola has been translated from the origin to (0,5).

The translated hyperbola will have equation;

$\frac{(x-0)^2}{25}-\frac{(y-5)^2}{9}=1$

Multiply through by 225.

$9(x-0)^2-25(y-5)^2=225$

Expand

$9x^2-25(y^2-10y+25)=225$

$9x^2-25y^2+250y-625=225$

Rewrite in general form;

$9x^2-25y^2+250y-625-225=0$

$9x^2-25y^2+250y-850=0$

3 0

4 years ago

Can anyone solve this asap? i’m completing a final.

Allisa [31]

Answer:

Step-by-step explanation:

The right option es a)

because the general form is:

ax^2+bx+c

so you can easyly identify b=-5

7 0

3 years ago

PLSS PLSS HELP THIS IS SO IMPORTANT

iren2701 [21]

Answer:

8 squares

Step-by-step explanation:

Count the squares- 5

then count the triangles- 6

2 triangles is one square- 3

add the triangles and squares

5+3=8

6 0

3 years ago