Writing Two-Variable Quadratic Inequalities — Unit test Answers
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Susan plans to use 120 feet of fencing to enclose a rectangular area for a garden. Which equation best models the area, y, of the rectangular garden that she creates if one side is x feet long?A = lw
A
y = (60 – x)(x)B
y = (120 – x)(120 + x)C
y = (120 – x)(x)D
y = (60 – x)(60 + x)22
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Which inequality is less than the quadratic function with zeros –7 and 1 and includes the point on the boundary?
A
y less-than negative three-halves x squared + 9 x + StartFraction 21 over 2 EndFraction
B
y less-than three-halves x squared + 9 x minus StartFraction 21 over 2 EndFraction
C
y less-than negative three-halves x squared minus 9 x + StartFraction 21 over 2 EndFraction
D
y less-than three-halves x squared minus 9 x minus StartFraction 21 over 2 EndFraction
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