Jack broke apart 5×216 as (5×200) (5×16) to multiply mentally. What strategy did Jack use?
1 answer:
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Answer:
Step-by-step explanation:
Given a Parabola that intersects the x-axis at x=3 and x=9.
I presume you want to determine the equation of the parabola.
You can use this form:
Given roots of a parabola, the equation of the parabola is derived using the formula:
The equation of the parabola is:
Answer:
The length of the blue-and-yellow macaw is 42 in
Step-by-step explanation:
Let
x ----> the length of the toucan in inches
y ----> the length of the blue-and-yellow macaw in inches
we know that
----> equation A
----> equation B
substitute equation B in equation A and solve for y
Multiply by 3 both sides to remove the fraction
Divide by 2 both sides
therefore
The length of the blue-and-yellow macaw is 42 in