Solve by using the quadratic formula.7x2 + 12x = - 3

A.
B.
C.
D.

Answer: C

Mathematics

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A. r2
B. r3
C.
D. r 

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Solve.Choose the closest estimate of your weight.

A. 80 kg B. 280 kg C. 1000 kg

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Write the complex number in the form a + bi.(cos 315° + i sin 315°)

A.  - i
B.  - i
C.  - i
D.  - i

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Fill in the blank with one of the words or phrases listed below. A term that is a number only is called a(n) .

A. solution B. variable C. numerical coefficient D. constant

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