y - 12 = -5(x + 12) is the required equation.
f(x) = -5x + 2
let f(x) = y
y = -5x + 2
y = -5x + 2
comparing it to y = mx + c
m = -5
The point slope form is used to find the equation of the straight line which is inclined at a given angle to the x-axis and passes through a given point. The equation of a line is an equation that is satisfied by each and every point on the line. This means that a linear equation in two variables represents a line.
The point slope equation formula is
y - y₁ = m(x - x₁)
Now the equation of line containing (-2,12) is

y - 12 = -5(x + 12)
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Answer:
Slope = -1.5
Step-by-step explanation:
The two points are: (1, 1) and (3, -2)
Slope = (-2 - 1) / (3 - 1)
Slope = -1.5
Answer:
a=126
Step-by-step explanation:
First, set up a proportion to find the reduction in price. 25/100=x/320. Cross multiply to get 8000=100x. Divide by 100 on both sides to get x=80. That's the reduction in price. Subtract from the total to find the new price 320-80=$240
Answer:
= 8
Step-by-step explanation:
The n th term of a geometric sequence is
= a
where a is the first term and r the common ratio
Here a = 8 and r =
= 2.5, thus
= 8