Answer:
all x intercepts [-4, 0] [4, 0]
Step-by-step explanation:
x-intercept, i.e. y=0
f(x) = x^3 - 4x^2 - 16x + 64 = 0
(x^3 + 4^3) - 4x^2 - 16x = 0 [FYI, x^3 + y^3 = (x + y)(x^2 - xy + y^2)]
(x + 4)(x^2 - 4x + 16) - 4x^2 - 16x = 0
(x + 4)(x^2 - 4x + 16) - 4x(x + 4) = 0
(x + 4)(x^2 - 4x + 16 - 4x) = 0
(x + 4)(x^2 - 8x + 16) = 0
(x + 4)(x - 4)^2 = 0
x = -4 or 4
all x intercepts [-4, 0] [4, 0]
The equation for circumference is
Since you have the diameter you can either divide the diameter (d) by two to get the radius (r), or you can divide two from the equation to give you
So the circumference is 33*pi meters, approximately 103.62 meters
Answer:
nah no one can afford that
skip man...skip
Step-by-step explanation:
Answer:
54
Step-by-step explanation:
To solve this, you have to find the area of the square then the area of the triangle, and add them together.
To find the are of a square you multiply the base by the height.
Example: 6 × 6 = 36
To find the area of a triangle you multiply the base by the height and divide it by 2.
Example: 6 × 6 = 36
36 ÷ 2 = 18
Now we add both areas together.
Example: 36 + 18 = 54
Multiply the factors together. You should get the original expression.
For example, if we are to factor
2x^2 + 4x
we would factor as
2x(x + 2).
Check this by multiplying back in
2x*x + 2x*2 = 2x^2 + 4x
which is what we started with, so we know we are correct.
