Question:
Consider the following sequence of steps to solve the equation: - 15 + 4x + 4x2 = 0
Step 1 ⇒ 4x2 + 4x - 15 = 0
Step 2 ⇒ 4x2 - 6x + 10x - 15 = 0
Step 3 ⇒ 2x (2x - 3) + 5 (2x - 3) = 0
Step 4 ⇒ (2x + 5) (2x - 3) = 0
Step 5 ⇒ x = - 3/2 or x = 5/2
A. Explain why Step 1 is valid using properties of the real number system.
Show possible intermediate steps to support your explanation.
A. Explain why Step 4 is valid.
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Question: Consider the following sequence of steps to solve the equation: - 15 + 4x + 4x2 = 0 Step 1 ⇒ 4x2 + 4x - 15 = 0 Step 2 ⇒ 4x2 - 6x ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers
You Might be Interested in
There is a 12.875 meter fence on one side of a rectangular garden. The gardener has 46.625 meters of fencing to enclose the other three sides. What is the length of the garden's longer dimension?
Answers (1)
A store recorded that 20% of the people who came to the store for one moth were between the age of 60-70. The equation below represents this information, where x represents the total number of people who came to the store that month.
Answers (1)
Gas cost three dollars per gallon diesel cost five dollars per gallon you have at most $43 to spend on fuel you must purchase the at least 8 gallons of gas for your car to run for the week let x Be the amount of gas purchased And y be the amount of
Answers (1)
The tour de France bicycle race is not only challenging; at 2,300 miles, it is long! In kilometers, about how long is the race?
Answers (1)
Item 18 You buy 6 pounds of apples for $33. What is the cost of 10 pounds of apples? The cost of 10 pounds of apples is $.
Answers (1)
New Questions in Mathematics
a city bus completes its entire route 3 times each hour how long will it take the bus to complete the entire route 10 times
Answers (1)
Danielle sells beauty supplies and earns a base salary of $450 per week plus a 9% commission on sales. During one particular week, she sells $895 worth of beauty supplies.
Answers (1)
A rental car company that rents cars for local-only use charges $30 plus $0.20 for each mile the rental car is driven. If a customer gives the rental attendant $100 for a charge of $42, how many miles did the customer drive?
Answers (1)
For working 13 hours you earned 45.50 and 94.50 for 27 hours what is the rate of pay in dollars per hour
Answers (2)
In one day 28 people each withdrew 100 from an atm machine what is the overall change in the amount of money in the atm machine
Answers (1)