Answer:
y =
x + 1
Step-by-step explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
calculate m using the slope formula
m = 
with (x₁, y₁ ) = (- 2, 0) and (x₂, y₂ ) = (0, 1) ← 2 points on the line
m =
=
= 
the line crosses the y- axis at (0, 1 ) ⇒ c = 1
y =
x + 1 ← equation of line
Answer:
x = 40
Step-by-step explanation:
5= 1/5x -3
Add 3 to each side
5+3= 1/5x -3+3
8 = 1/5x
Multiply by 5 to isolate x
5*8 = 1/5x *5
40 =x
The answer is B. Since the graph increases by 4 on the y-axis as <em>x</em> increases by 1, the constant of proportionality is 4.
Y - ,2.5
X 0,3.5
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