Question

1.

The radius of a cone can be found using the formula
10
, where V stands for the volume of the cone and h stands for the height. If , $h=8$ , and is 3.14, find the volume (V). Round the answer to the nearest hundredths place.

Answer options:

	3,365.41 cubic units
	66.99 cubic units
	33.49 cubic units
	133.97 cubic units

2.

Use the Quadratic Formula to solve the equation $x^2-4x=-7$ .

Answer options:

	$x=-2+sqrt11$ or $x=-2-sqrt11$
	$x=-2+isqrt3$ or $x=-2-isqrt3$
	$x=2+sqrt11$ or $x=2-sqrt11$
	$x=2+isqrt3$ or $x=2-isqrt3$

3.

Which one of the following simplifications is incorrect?

Answer options:

	$sqrt(48x^4)*root(4)(16x^10)=8x^4root(4)(3x^2)$
	$sqrt(4x)*sqrt(12x^8)=4x^4sqrt(3x)$
	$root(3)(64)*sqrt(18)=12sqrt(2)$

4.

How would the imaginary number be written as a complex number?

Answer option:

Answer 1

16+8x314 = 133.97 cubic un 3 2 2 So incovsert Complex Numbes 0+ .