Solve the quadratic equation.
Use the following property:For any real number 
, 
if and only if ![]()
src="https://sciemce.com/media/3/ppg__cognero__Section_1.1_Sets_Real_Numbers_and_Numerical_Expressions__media__fd47ee3b-e404-44e2-87c6-bec1e95d85d6.PNG" style="vertical-align:-3pt;" /> or 
.
A. x = 0 or x = -7
B. x = 0
C. x = 4 or x = -8
D. x = 11 or x = -1
E. x = 9 or x = -11
Answer: C
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Solve the inequality. Describe the solution set using inequality notation.
x - 
? 
x + 2
A. x ? 
B. x ? 
C. x ? - 14
D. x ? - 14
Assume that x, y, and a are positive numbers. Use the properties of logarithms to write the expression 
in terms of the logarithms of x and y.
?
A. 
B. ?
C. ?
D. ?
E. ?
Provide an appropriate response.True or false? If a < 0 and b < 0, then 
? 
= 
.
A. True B. False
Use an analytic method to solve the equation.
= 13
A. {168} B. {42} C. {-84} D. {84}