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What is the axis of symmetry and range of the following function: x2 - 8x + 15 = 0? A.Axis: x=4 ; Range: (-1,infinity) B.Axis: x=-4 ; Range: (-1, infinity) C.Axis: x=-1 ; Range: (4, infinity) D.Axis: x=-1 ; Range: (-4, infinity)
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Axis: x=4 ; Range: (-1,infinity)
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What is the vertex of the following equation: -x2 - 9x - 8 = 0? A.(1,-9) B.(-1,-9) C.(-1,9) D.(1,9)
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A.(1,-9)
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What is the range of the following function: -x2 + 2x + 8 = 0? A.(infinity, 9) B.(-infinity, infinity) C.(9, infinity) D.(-9, infinity) E.(-infinity, 9)
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C (9, infinity)
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-1x2 + 0x + 49 = 0 A.x = -9 and -6 B.x = 7 and -7 C.x = 8 and 3 D.x = 7 and -3 E.x = 9 and -9
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B.x = 7 and -7
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-1x2 + 2x + 48 = 0 A.x = -2 and 1 B.x = -1 and -7 C.x = 9 and -9 D.x = 8 and -6 E.x = 8 and -6
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E.x = 8 and -6
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1x2 + 10x + 21 = 0 A.x = -7 and -3 B.x = -7 and -3 C.x = 8 and -6 D.x = 8 and 6 E.x = 10 and 11
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A.x = -7 and -3
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-1x2 + 3x + 28 = 0 A.x = -6 and -8 B.x = 9 and 4 C.x = 6 and -5 D.x = -7 and -4 E.x = 7 and -4
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D E
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What is the vertex of the following equation: x2 - 8x + 15 = 0? A.(4,1) B.(4 -1) C.(-4,-1) D.(-4,1)
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B.(4,-1)
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What is the domain of the following function: -x2 + 2x + 8 = 0? A.(1,9) B.(-infinity,infinity) C.(infinity,9) D.(1, infinity) E.(9,infinity)
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(-infinity,infinity)
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