Determine Which of the Following Equations Are Written in the Correct

question 67

Multiple Choice

Determine which of the following equations are written in the correct form to apply the zero product rule directly. i. $( x - 9 ) ( x + 7 ) = 0$
ii. $x ( x - 9 ) = 7$
iii. $x ( x + 7 ) = 0$
iv. $x ^ { 2 } - 2 x - 63 = 0$

• A) i, iii
• B) i, ii, iii
• C) i
• D) i, iii, iv

---

Definitions:

Lactose Intolerant

A condition where the body cannot easily digest lactose, a type of sugar found in milk and dairy products.

Lactase

An enzyme found in the small intestine necessary for the digestion of lactose, the sugar found in milk.

Digestive System

Organ system that consists of digestive organs (stomach, intestines, etc.) and accessory organs (liver, etc.); ingests and digests food; absorbs nutrients and eliminates wastes.

Photosynthesis

A biochemical process in green plants and certain other organisms that converts light energy into chemical energy, using carbon dioxide and water to produce glucose and oxygen.