Solve by completing the square.7x2 + 21x = - 14

A. 12
B. - 
C. - 2- 1
D. no real-number solution


Answer: C

Mathematics

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Find the indicated term of the binomial expansion.5th term; (3x - 3y)10

A. 12,400,290x6y4 B. 4,133,430x4y6 C. -4,133,430x6y5 D. -4,133,430x4y6

Mathematics

Decide whether the statement translates into an expression or an equation.The sum of a number and 7 is 11.

A. Expression B. Equation

Mathematics

Solve the problem.On Saturday, Andy Jameson wishes to visit his grandparents' home, his best friend's home, and also make a trip to the music store. He estimates the distances among these locations as follows: Andy's home to grandparents' home is 5.5 miles; Andy's home to best friend's home is 8 miles, Andy's home to music store is 2.5 miles; Andy's grandparents' home to best friend's home is 7 miles; Andy's grandparents' home to music store is 11 miles; best friend's home to music store is 4.5 miles. What is the minimum distance Andy can travel to visit his three destinations and return home?

A. 29 mi B. 17 mi C. 28.5 mi D. 19.5 mi

Mathematics

Solve.In the formula P = RI2, find I (in amperes) if P = 3380 watts and R = 20 ohms.

Fill in the blank(s) with the appropriate word(s).

Mathematics