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3 years ago

Match the equation with its slope and y intercept.

Mathematics

2 answers:

lyudmila [28]3 years ago

7 0

Answer:

1.c

2.e

3.d

3.a

5.b

best of luck!

Brrunno [24]3 years ago

4 0

Answer: Answer is in the steps read carefully

Step-by-step explanation:

1. y = -3x It has a slope of -3 and y intercept of 0 so it goes with C

2. y =2x+ 5 It has a slope of 2 and y intercept of 5 so it goes with E

3. y = 1/2x - 3 It has a slope of 1/2 and y intercept of -3 so it goes with D

4. y= -1x + 2 It has a slope of -1 and y intercept of 2 so it also goes with A

5. y = 1x It has a slope of 1 and y intercept of 0 so it goes with B

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Vikentia [17]

Answer:

$a =\frac{138-54}{660-100}= 0.15$

And using the minutes from June we can find the value for b the intercept

$54 = 0.15*100 +b$

$b = 39$

And the function would be:

$C(x) = 0.15 x+ 39$

Step-by-step explanation:

For this case we define the following notation first:

C represent the cost for a given month

x represent the number of minutes of calling time she used

And we want to find a function of C in terms of x

We have the following info:

June

x =100 , C = 54

July

x =660 , C = 138

For this case we can assume that we can use a linear function since we have just two points given, and the general formula would be:

$C(x) = ax +b$

Where a is the slope and can be estimated as:

$a =\frac{138-54}{660-100}= 0.15$

And using the minutes from June we can find the value for b the intercept

$54 = 0.15*100 +b$

$b = 39$

And the function would be:

$C(x) = 0.15 x+ 39$

7 0

3 years ago

Match the equation with its slope and y intercept.​

Match the equation with its slope and y intercept.