Write an expression for the difference of p and 4
2 answers:
Answer:
An expression for the difference of p and 4 is
Step-by-step explanation:
Given : the difference of p and 4
To Find :Write an expression for the difference of p and 4
Solution :
We are supposed to write the difference of p and 4
So, we need to subtract p and u
So, expression becomes :
Hence an expression for the difference of p and 4 is
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Answer:
y- intercept = - 2.5
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 ) = (1, - 7) and (x₂, y₂ ) = (5, - 25)
m = =
= - 4.5 , then
y = - 4.5x + c
To find c substitute either of the 2 points into the equation
Using (1, - 7), then
- 7 = - 4.5 + c ⇒ c = - 7 + 4.5 = - 2.5
y- intercept c = - 2.5
Simplify the right hand side:
Expand the left hand side:
Subtract 2x from both sides:
Divide both sides by 4: