Assembly Lines The number of pickup trucks y built on an assembly line at a factory is represented 1 by the equation y = -X, where x is the time in hours. The graph shows the 22 number of sedans built at the same factory. Sedans Y 4 w Vehicles 2 0 0 20 40 60 80 x Time (hours) 1. Which type of vehicle is built at a faster rate? 2. How long does it take to build one of each type of vehicle?

7.3

step-by-step explanation:

5x + 3y = - 4

step-by-step explanation:

the equation of a line in standard form is

ax + by = c ( a is a positive integer and b, c are integers )

express the line first of all in slope- intercept form

y = mx + c ( m is the slope and c the y-intercept )

to calculate m use the gradient formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = (7, - 3) and (x₂, y₂ ) = (4, - 8)

m = = -

y = - x + c ← is the partial equation

to find c substitute either of the 2 points into the partial equation

using (4, - 8 ), then

- 8 = - + c ⇒ c = -

y = - x - ← in slope-intercept form

multiply all terms by 3 to eliminate the fractions

3y = - 5x - 4 ( add 5x to both sides )

5x + 3y = - 4 ← in standard form

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step-by-step explanation:

b if for most of the graph

d if y intercept

step-by-step explanation: