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Taya2010 [7]
4 years ago
11

Write an equation for the line slope-intercept form

Mathematics
1 answer:
dsp734 years ago
6 0

Answer:

The equation in slope-intercept form is:

y= 2x + 5

Step-by-step explanation:

-First, look for a two points on a graph:

First point: (-3,-1)

Second Point: (-2,1)

-Since the line is pointing up, then its telling us that it's positive. So, to start from point (-3,-1) to point ( -2,1), you need to count how far distance between those two points by using <u>rise over run:</u>

m = \frac{rise}{run}

m = \frac{2}{1}

m = 2

-After you have found the slope, find the <u>y-intercept</u>.

-The definition for <u>y-intercept,</u> is a line that crosses the <u>y-axis</u>.

y-intercept: 5

After you found both the slope and the y-intercept, use them for the <u>slope-intercept form</u>:

The <u>slope-intercept form</u>:

y = mx + b

(where m represents the slope and b represents the y-intercept).

-The equation in <u>slope-intercept form</u>:

y= 2x + 5

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Answer:

x= 1980 miles

Step-by-step explanation:

1 inch is to 165 miles as 12 inches is to x

1/165=12/x

x=12*(165/1)

x= 1980

7 0
4 years ago
Phone numbers in Italy are in the format AB-CDDD-XXXX and have the following conditions · A can be any number 3-9 · B can be any
amm1812

Answer:

Hey there!

A: 7

B: 6

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Let me know if this helps :)

8 0
3 years ago
What is the vertex of the parabola whose equation is y = (x + 1)^2 + 3?
dalvyx [7]
The y-value of the vertex is positive 3, as shown by the +3 on the right hand side of the equation, and the x-value is -1, from the (x+1)^2 (remember, when the number is inside the brackets, flip the sign) The vertex would be (-1, 3) 

If you are looking for a rigorous answer (calculus), we must find the mininum point of the equation: f(x) = (x+1)^2 + 3 f
f'(x) = 2(x+1) = 2x + 2
2x + 2 = 0 
x = -1
f(1) = (-1 + 1)^2 + 3
f(1) = 0 + 3 = 3
(-1, 3)
5 0
3 years ago
The mean height of women in a country (ages 20-29) is 63.9 inches. A random sample of 65 women in this age group is selected. Wh
anzhelika [568]

Answer: The mean height of women in a country ages 20 29

The mean height of women in a country (ages 20-29) is 63.7 inches.

4 0
3 years ago
Is 8:10 equivalent to 9:12
vesna_86 [32]

Answer:

No they are not equal

Step-by-step explanation:

4 0
3 years ago
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