Solve the following proportion x/2 = 8/9
2 answers:
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Answer:
The positive difference between the a values is 0.5
Step-by-step explanation:
we know that
Both parabolas cross the x axis at (-4,0) and (6,0)
so
The general equation is
<em>Find the value of a in the first parabola</em>
The y-intercept is (0,-12)
so
For
substitute
<em>Find the value of a in the second parabola</em>
The y-intercept is (0,-24)
so
For
substitute
<em>Find the positive difference between the a values for the two functions</em>
so
<h2>Answer:</h2>
Step 1: Determine the formula.
y - y₁ = m(x - x₁)
Step 2: Determine what variables you need.
(x₁,y₁) = a point on the line
m = slope
Step 3: Plug each number in for the variables and you have the completed point-slope form of the equation for the line.
The point-slope form of this line is: .
See the image for the formula I used.