Solve the quadratic equation.
Use the following property:For any real number a, 
if and only if 
or ![]()
src="https://sciemce.com/media/3/ppg__cognero__Section_6.2_Quadratic_Equations__media__5241b74c-adeb-4749-af0f-ebe124e75814.PNG" style="vertical-align:-4pt;" />.
A. 
, 
B. 
, 
C. 
, 
D. 
, 
E. 
, 
Answer: E
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Find the book value to the nearest dollar.Cost $8540, life 10 years, scrap value $769 at the end of 3 years, sum-of-the-years'-digits method
A. $5978 B. $6832 C. $6209 D. $7410
Subtract.88 - 69
A. -19 B. -157 C. 157 D. 19
List the intercepts and type(s) of symmetry, if any.y = 
A. intercept: (0, 0)
symmetric with respect to x-axis
B. intercepts: (
, 0), (-
, 0), (0, 0)
symmetric with respect to origin
C. intercept: (0, 0)
symmetric with respect to origin
D. intercept: (0, 0)
symmetric with respect to y-axis
True or false. The set 
spans 
.
Answer the following statement true (T) or false (F)