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3 years ago

What is the slope in slope-intercept form for this graphs?

Mathematics

1 answer:

s2008m [1.1K]3 years ago

7 0

Answer:

Step-by-step explanation:

since the line crosses the y axis at -4 we know that b in the slope intercept form is -4 . now we just need the slope.. and slope is rise over run or y/x... soooo .....

looking at the graph I see that the point (-1,4) and (0,-4) look like they are points on the graph..

soooo....

the rise is -8 when the run is 1 or -8/1 or just -8

use the slope intercept form y = mx + b

y= -8x + (-4)

y = -8x -4 :)

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I would love your help! I'll give Brainliest answer!

Dovator [93]

Since the graph is a straight line, its equation is of the form;

$y = mx + c$
Where m is the slope and c is the y intercept

We can use any two points on the straight line to find the value of m and c.

Let us use (0,30) and (4,150)

$m = \frac{150 - 30}{4 - 0}$
This simplifies to,

$m = \frac{120}{4} = 30$
Let us substitute the value of m to obtain,

$y = 30x + c$
Substitute any of the points to find c. It is easier to use (0,30).

$30 = 30(0) + c$
$c = 30$
The equation of the graph now becomes,

$y = 30x + 30$
So in 10 weeks Ben will collect,

$y = 30(10) + 30$
$y = 300 + 30$
$y = 330$
Ben will collect 330 papers.

You can also use any two points to find the equation of this line.

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nevsk [136]

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In the first two hockey games of the year, Rodayo played 1 1/2 periods and 1 3/4 periods. How many periods in all did he play? P

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Hitman42 [59]

A = (1/2) bh for height h

2A = bh

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Area of triangle = (1/2)bh

A = (1/2)bh

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