3 years ago

Determine how many, what type, and find the roots for f(x) = x3 - 4x2 – 16x + 64. SHOW WORK!

Mathematics

1 answer:

Mice21 [21]3 years ago

7 0

Answer:

x=4

Step-by-step explanation:

x^3-4x^2-16x+64

(x^2-16)(x-4)

x-4=0

+4 +4

x=4

x^2-16=0

+16 +16

x^2=16

√ x^2=√ 16

x=4

You might be interested in

Solve equation for cucumbers being 2.00 per package and tomatoes being 1.50 per package. if 135 dollars was spent on 80 packages

Romashka [77]

There were 30 packages of cucumber and 50 packages of tomatoes.

Work)
2x+1.5y=135
x+y=80

3 0

3 years ago

Which choice is equivalent to the product below for acceptable values of x

victus00 [196]

the answer would be A.

7x × X gives you 7x^2

7x × 2 gives you 14 X

so the answer is the square root of 7x^2 + 14 X

5 0

3 years ago

Read 2 more answers

If y=(sec^-1x)^2, then show that x^2(x^2-1) d^2y/dx^2 + (2x^3 - x) dy/dx = 2

Arisa [49]

Step-by-step explanation:

Hope it helps you in your learning process.

8 0

3 years ago

The area of a rectangle is 44m. The height is 11/3m. What is the length?

iogann1982 [59]

Width of the rectangle is 12m

Explanation:

Area of rectangle = 44m

height = $\frac{11}{3}m$

area of rectangle = length X breadth

$44 = \frac{11}{3} X b\\b = 12m$

Therefore, width of the rectangle is 12m

4 0

3 years ago

Which property explains how we get the equation shown in step 2? Given: -5(x -4) - 20 = -15 Step 1: -5x + 20 -20 = -15 (Distribu

Talja [164]

Step 2: Inverse Property of Addition
any number added to its opposite will equal zero
in this case + 20 - 20 = 0

answer
Inverse Property of Addition

8 0

3 years ago

Read 2 more answers