15/2 = 7.5
7.5 times 6 = 45
Check work: 45/6 = 7.5
(9+52) -3(6)x
(61)-3(6)x
61-3(6)x
61-18x
-18x+61
Plugging in the data points into a quadratic regression application, we get the following regression:
y = ax^2 + bx + c,
where:
a= 0.00267857
b= 0.0110714
c= 2.85743
with an R² value of 0.9851
Answer:
y = 4x - 16
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 )
Here m = 4, thus
y = 4x + c ← is the partial equation
To find c substitute (5, 4 ) into the partial equation
4 = 20 + c ⇒ c = 4 - 20 = - 16
y = 4x - 16 ← is the equation of the line