A student multiplied 9 and 9 as follows: The instructor marked the problem incorrect. Why? -9. -9

Question:

A student multiplied √−9 and √−9 as follows:

The instructor marked the problem incorrect. Why?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For answer-question

Precalculus Concepts Through Functions A Unit Circle Approach To Trigonometry

ISBN: 9780137945139

5th Edition

Authors: Michael Sullivan

See More Books

Question Posted: Jul 29, 2023 12:48 AM

See More Questions

A registered dealer, based in Chandigarh, makes a supply to another registered dealer located in Chandigarh, valuing rupees 1,20,000. The applicable rate of GST is 12%. Calculate the amount of tax...
A student measures the temperatures on 9 days in a row, all in degrees Fahrenheit, and lists them from smallest to largest: 40, 60, 60, 67, 67, 67, 68, 68, 69 Then she constructs a frequency...
A student surveys 16 students who work and constructs a dotplot of the numbers of hours they work (see Fig. 60). On the basis of the dotplot, the student concludes that there are no outliers. a....
The Secretary of Defense shall establish which program to maintain liaison with industry advisory groups to coordinate the development of the supply catalog?
What are enterprise systems?
Determine the following indefinite integrals. Check your work by differentiation. 1/2y dy
In the past five years, there have been significant innovations in technology such as smartphones and tablets. Technology companies rely on intellectual property (IP) rights, such as patents,...
Casey Nelson is a divisional manager for Pigeon Company. His annual pay raises are largely determined by his divisions return on investment (ROI), which has been above 20% each of the last three...
2. (7pts) Give an example of a 44 matrix A which have the following properties: (a) A is lower triangular. All its entries are integers. (b) A has two distinct eigenvalues. Each eigenvalue is a digit...
In Problems 5994, solve each inequality. Express your answer using set notation or interval notation. Graph the solution set. X IV 1 X 4
In Problems 6172, factor each polynomial. 3x 2 10x 8
Colombia Textiles began operations several years ago. Its post-closing trial balance at December 31, 2020, is shown below (with accounts listed in alphabetical order): Account...
A digital 11R felter block diagram shown in figure a) Find the trans for function H(Z) in transfer b) Find the range stable, if gain c) Realize the terms of a and b of and b to keep the filter is...
Decorative Designs (DD) is a family-owned furniture manufacturing company in Vietnam established in January 2015. The CEO of the company met a financial consultant recently to obtain some financial...
Superin Calculate the current price of Patience, Inc. stock that is expected to pay a dividend of $4/share at the end of each year from year 33 through year 61, given a discount rate of 5%. This...
Suppose that many stocks are traded in the market and that it is possible to borrow at the risk-free rate, rf. The characteristics of two of the stocks are as follows: StockExpected Return Expected...
In a 15 TR ammonia refrigeration plant, the condensing temperature is 25C and evaporating temperature -10C. The refrigerant ammonia is sub cooled by 5C before entering through the throttle valve. The...
What is middleware?
Tanaka Company's cost and production data for two recent months included the following: March April Production (units).........300................600 Rent.....................$1,800............$1,800...
Poverty thresholds are determined by the U.S. Census Bureau. A poverty threshold represents the minimum annual household income for a family not to be considered poor. In 1998, the poverty threshold...
A student is asked to find the slope of the line joining (-3, 2) and (1, -4). He states that the slope is 3/2. Is he correct? If not, what went wrong?
If two distinct lines have the same y-intercept, but different slopes, can they have the same x-intercept?
Name the amending Act that first introduced s 60H into the Family Law Act 1975 (Cth). How many times has s 60H of the Family Law Act 1975 (Cth) been amended since it was first introduced (including...
Family Law and Ethical Dilemmas Facing Attorneys. What are some ethical problems that might come about based on the nuances of family law.
Additional websites J.P. Boyd's Family Law Resource Guide Duhaime Legal Resources - Family Law Use these websites, and any other British Columbia site on family law, to find answers to the...

A student multiplied 9 and 9 as follows: The instructor marked the problem incorrect. Why? -9. -9

Question:

-9. -9 = (-9)(-9) = 81 = 9

Step by Step Answer:

The students mistake lies in assuming that the square root of a product is equal to the product ...View the full answer

Precalculus Concepts Through Functions A Unit Circle Approach To Trigonometry

Students also viewed these Mathematics questions