1) What is the slope of the trend line ?
2) what is the y-intercept for the trend line ? What is the real world meaning of this point?

1 What is the slope of the trend line 2 what is the yintercept for the trend line What is the real world meaning of this point class=

Respuesta :

Answer:

slope m=0.5, y-intercept b=5, the price of a 0 page book starts off at 5 and increases 0.5 every 50 pages

Step-by-step explanation:

point slope formula

[tex]y = mx + b[/tex]

choose a point on the line, I chose (2.00,6.00)

and b is the y-intercept at (0,5)

then plug those numbers in

[tex]6.00 = m2.00 + 5.00[/tex]

simplify & isolate the variable

[tex]6.00 - 5.00 = m2.00 + 5.00 - 5.00 [/tex]

[tex]1 = m2[/tex]

[tex]1 \div 2 = m2 \div 2[/tex]

solve for m

[tex]0.1 = m[/tex]

the y intercept is were the line crosses the y axis.

the y axis represents cost in dollars, the x axis represents number of pages