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3 years ago

11

Graph y=5/3x -9 ......

2 answers:

tankabanditka [31]3 years ago

5 0

Y=mx+b
m=slope
b=y intercept

ok, graph the y intercept first
at y=-9
so at y=-9 on the y axis, put a point
basically graph (0,-9)

then, use the slope
slope=rise/run=5/3
from (0,-9), go up 5 units and to the right 3 units and put a point there
you will have put a point at (3,-4)

connect the 2 points ((0,-9) and (3,-4)) and now you have graphed it

alisha [4.7K]3 years ago

4 0

Put a point at -9 because that is the y-intercept.then from the point -9 count up 5 and count over 3.

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3 years ago

AC = 9x - 12, CD = 4x + 18, AD = ?

GrogVix [38]

If we assume that point C is somewhere on segment AD, then,

AD = AC + CD

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3 0

3 years ago

Use the four functions below for this question:

Jlenok [28]

Answer:

We have four functions:

For f(x) we have two points (-2,2) and (-1,-1)

we will use two point form which is:

$y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)$

So, on substituting the values we get:

$y-2=\frac{-1-2}{-1-(-2)}(x-(-2))$

$y-2=\frac{-3}{x+2}$

$y=-3x-4$

So, f(x)=-3x-4

We have g(x)=3x-4

Now, we will from h(x) we have two points let initial point on monday is (0,4) and tuesday (1,1) again use two point form we get:

$y-4=-3(x-0)$

$\Rightarrow y=-3x+4$

So, h(x)= -3x+4

Now, we will form j(x) we have three points (2,10) , (-2,6) and (2,22)

We will use (-2,6) and (2,22) to find the function with two point form.

$y-6=\frac{22-6}{2+2}x+2)$

$\Rightarrow y=4x+14$

j(x)= 4x+14

To find the slope we will compare the given function with general equation which is y= mx +c; m is the slope

And to find y-intercept we will put x=0

f(x)=-3x-4

Slope is: -3

And y-intercept is: (0,-4)

g(x)=3x-4

Slope is: 3

And y-intercept is: (0,-4)

h(x)= -3x+4

Slope is: -3

And y-intercept is: (0,4)

j(x)= 4x+14

Slope is: 4

And y-intercept is: (0,14)

8 0

3 years ago

Read 2 more answers

Kendall has $88 in her piggy bank she loves young teen magazine and start spending$3.75 per week to buy it how much will she hav

dlinn [17]

First take note of her total amount of money, the amount of magazine cost, and the total weeks they purchased it.

Total: $88

Cost: $3.75

Weeks: 5

Now setup and equation.

88-(3.75 x 5)

88-18.75=69.25

So she will have $69.25 after the 5 weeks of purchasing magazines

7 0

4 years ago