1. (a) Use the fundamental theorem of algebra to determine the number of roots for 2 2 47 x x + + . (b) What are the roots of 2x^2+4x+7 ?
BE SURE TO ANSWER (a) and (b). SHOW ALL STEPS!

2.Simplify the expression (x^3-5x^2+7x-12) divded by (x-4) using LONG DIVISION.
SHOW ALL STEPS!

If x+y+z=0 what is the value of [tex] {x}^{3} + {y}^{3} + {z}^{3} [/tex]

The volume, v, of a rectangular prism is determined using the formula, where / is the length, w is the width, and his theheight of the prism. carltren solves for w and writes the equivalent equation w=using this formula, what is the width of a rectangular prism that has a volume of 138.24 cubic inches, a height of 9.6 inches,and a length of 3.2 inches?

Given: δabc, m∠1=m∠2, d∈ ac bd = dc m∠bdc = 100º find: m∠a m∠b, m∠c