Solve the quadratic equation using completing the square.7x2 + 30x - 25 = 0

A.
B.
C.
D.


Answer: C

Mathematics

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Add: - 3 + 3 ?

A. 0 B. 6 C. - 6 D. 20

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Solve the equation.0.43x + 0.4(8,000 – x) = 3350 

A. x = 5,000 B. x = 3,000 C. x = –3,000 D. x = 8,000 E. no solution

Mathematics

Solve the problem.At about what velocity do you enter the water if you jump from a 15 meter cliff? (Use 

A. 17 m/sec B. -17 m/sec C. 2 m/sec D. -8.5 m/sec

Mathematics

Plot the complex number in the complex plane.-1 - 2i 

A.
 
B.

C.

D.

Mathematics