Answers FL-1200330-Algebra 2 CRWriting Two-Variable Quadratic Inequalities

Writing Two-Variable Quadratic Inequalities — Unit test Answers

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Solve for in the equation .

x = 3 plus-or-minus StartRoot 23 EndRoot

x = 3 plus-or-minus StartRoot 51 EndRoot

x = 3 plus-or-minus StartRoot 41 EndRoot

x = 3 plus-or-minus StartRoot 5 EndRoot

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Solve for in the equation .

x = negative 11 plus-or-minus StartFraction 25 Over 2 EndFraction

x = negative eleven-halves plus-or-minus StartFraction 25 Over 2 EndFraction

x = negative 11 plus-or-minus StartFraction 5 StartRoot 5 EndRoot Over 2 EndFraction

x = negative eleven-halves plus-or-minus StartFraction 5 StartRoot 5 EndRoot Over 2 EndFraction

Which expression is equivalent to (3 + 5i)2?

–16 + 30i

6 + 34i

–16 – 34i

16 + 30i

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

y = (60 – x)(x)

y = (120 – x)(120 + x)

y = (120 – x)(x)

y = (60 – x)(60 + x)

Louis used a quadratic equation to model the height, y, of a falling object x seconds after it is dropped. Which ordered pair generated by this model should be discarded because the values are unreasonable?

(–4, 1)

Option

(6, 0)

For which value of m does the graph of y = 18x2 + mx + 2 have exactly one x-intercept?

What are the values of x in the equation x2 – 6x + 9 = 25?

x = –2 or x = 8

x = –1 or x = –11

x = 1 or x = 11

x = 2 or x = –8

Dimitri is solving the equation x2 – 10x = 21. Which value must be added to both sides of the equation to make the left side a perfect-square trinomial?

100

Which is the equation of the axis of symmetry of the graph of y = –3(x – 6)2 + 5?

x = –6

x = –5

x = 5

x = 6

The table below shows the data for a car stopping on a wet road. What is the approximate stopping distance for a car traveling 35 mph? Car Stopping Distancesv(mph)d(ft)1517.92031.850198.7