Solve the equation by completing the square.x2 + 4x = 9

A. 2 + 
B. -1 ± 
C. -2 ± 2
D. -2 ± 


Answer: D

Mathematics

You might also like to view...

For the following, write an equivalent numeral in the Hindu-Arabic system.

A. 1101 B. 1100 C. 1011 D. 111

Mathematics

Provide an appropriate response.A student was trying to solve the problem . The student knew that he or she should set  but was confused about whether or not he or she should set , or 9 = 0 and . How would you advise this student?

What will be an ideal response?

Mathematics

Solve the problem.A person's emotional quotient (EQ) is found by multiplying emotional age by 100 and dividing by chronological age. Using this information, if a 5 yr old person has an EQ of 102 what is that person's emotional age?

A. 5 years old B. 4.9 years old C. 5.1 years old D. 21.4 years old

Mathematics

Convert as indicated.62.9 cg to dekagrams

A. 0.00629 dag B. 0.0629 dag C. 62,900 dag D. 6290 dag

Mathematics