Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions exist.x2 - 4x - 7 = 0
A. Two different imaginary-number solutions
B. Two different real-number solutions
C. One real solution
Answer: B
Mathematics
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A.
B.
C. 2a
D. 2?a
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Provide an appropriate response.Find angle C. Round to the nearest 0.1°.
A. 55.4° B. 50.5° C. 42.1° D. 39.5°
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Use the square root property to solve the equation.(5 - 13x)2 = 89
A. , -
B. ,
C. ,
D. ,
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Solve the equation by completing the square.x2 = 9 - 4x
A. -2 ±
B. -1 ±
C. -2 ± 1
D. 2 +
Mathematics