Solve the quadratic equation using the quadratic formula.x2 + 4x - 7 = 0

A. {2 + }
B. {-2 - , -2 + }
C. {2 - , 2 + }
D. {-1 - , -1 + }


Answer: B

Mathematics

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A. (x +12)(x + 3) B. 3x(x +12) C. (x2 + 12x) + (3x + 36) D. 12x(x + 3)

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Evaluate the expression.

A.
B. - 
C. 3
D. -1

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Divide.-  ÷ (- )

A. - 
B.
C.
D. - 

Mathematics

graph of the following polar equation is a circle. Sketch its graph, and find its radius. r = -4 sin (q)

a.
b.
c.
d.
e.

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