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Luda [366]
3 years ago
9

Which equation represents a line that has a slope of – 2/3 and a y-intercept of 4?

Mathematics
1 answer:
katrin2010 [14]3 years ago
3 0

Answer:

A

Step-by-step explanation:

Slope-intercept form: y=mx+b

2x+3y = 12

3y = 12-2x

y = (12-2x)/3

y = 4-2/3x

Here we can see that the slope is -2/3 and y-intercept 4. We already got the answer so we dont need to try the other options.

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Aubrey and Charlie are driving to a city that is 120 miles from their house. they have already traveled 20 miles ,and they are d
Phoenix [80]

Answer:

The linear function is y=50x+20

The reasonable domain is 0\ hours \leq x\leq 2\ hours

Step-by-step explanation:

Let

x ----> the time in hours

y ---> the distance in miles

we know that

The linear equation in slope intercept form is equal to

y=mx+b

where

m is the slope or unit rate

b is the y-intercept or initial value

In this problem

The slope is m=50\ \frac{miles}{hour}

The y-intercept is b=20\ miles

substitute

y=50x+20

<em>Find the domain for x</em>

For y=120 miles

Find the value of x

substitute the value of y in the linear equation and solve for x

120=50x+20

50x=120-20

50x=100

x=2\ hours

therefore

The domain is the interval [0,2]

0\ hours \leq x\leq 2\ hours

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tino4ka555 [31]

Answer:

500+500=1,000

Step-by-step explanation:

I hope this helps!

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What is the equation of the line that passes through the point (-3,-4) and has a slope of 4?
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