A circle with center 
and radius 
has equation
If we substitute 
in this equation, we have
This equation has two solutions (i.e. the line intersects the circle in two points) if and only if the determinant is greater than zero:
The expression simplifies to
The solutions to the associated equation are
So, the parabola is negative between the two solutions:
Answer:
Step-by-step explanation:
Answer:
t=2-4s
Step-by-step explanation:
<h2>
Answer: y - 2 = -³/₂ (x + 6)</h2>
Step-by-step explanation:
The slope of this line = (y₂ - y₁) ÷ (x₂ - x₁)
= (2 - (- 1 )) ÷ (-6 - (-4))
= 3 ÷ (-2)
= - ³/₂
The equation of the line can be determined using the point-slope form:
y - y₁ = m(x - x₁)
⇒ y - 2 = -³/₂(x - (-6))
y - 2 = -³/₂ (x + 6)
a radio cost $22 Aaron Rodgers wants a radio Aaron saves $4 a week how many weeks would Aaron have to save? Now that 5.5 is 22 divided by 4 that means Aaron will have to save up 6 weeks
