Problem 69
In Exercises \(69-72,\) you are tutoring a friend and want to create some quadratic equations that can be solved by factoring. Find a quadratic equation that has the given solutions and explain the procedure you used to obtain the equation. $$4 and -3$$
Problem 72
Solve the equation. \(|x|=3\)
Problem 73
Find the greatest common factor. $$49,64$$
Problem 74
Find the greatest common factor of the numbers. 9 and 12
Problem 75
Find the greatest common factor of the numbers. 15 and 45
Problem 76
Find the greatest common factor of the numbers. 14 and 18
Problem 76
Find the greatest common factor of the numbers. 55 and 132
Problem 77
You are saving money for a trip to Europe that costs \(\$ 3600 .\) You make an investment of \(\$ 1000\) two years before the trip and an investment of \(\$ 1800\) one year before the trip. Use \((1+r)\) as a growth factor to write an equation that can be solved to find the growth rate \(r\) that you need in order to have \(\$ 3600\) at the time of the trip to Europe.
Problem 79
Tell how many solutions the equation has. $$ 6 x^{2}-12 x-6=0 $$
Problem 81
Is it possible for a rectangle with a perimeter of 52 centimeters to have an area of 148.75 square centimeters? Explain.