determine the nature of roots using the discriminant. 1. X²+6x+9=02. X²+9x+20=03. 2x²-10x+8=0

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determine the nature of roots using the discriminant. 1. X²+6x+9=02. X²+9x+20=03. 2x²-10x+8=0​

sudjnsisksnak · Answer

Answer:1. x²+6x+9=0a=1 b=6 c=9D=b²-4ac =6²-4(1)(9) =36-36D=0 rational and equal2.x²+9x+20=0a=1 b=9 c=20D=b²-4ac =9²-4(1)(20) =81-40D =41 irrational and unequal3.2x²-10x+8=0a. 2b. -10c. 8D=b²-4ac =-10²-4(2) (8) =100-64 D=36 rational and unequal

Answered by sudjnsisksnak | 2025-07-14

determine the nature of roots using the discriminant. 1. X²+6x+9=02. X²+9x+20=03. 2x²-10x+8=0​

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