Unit Test / Unit Test Review

Unlock all answers in this set

question
Which equation represents a graph with a vertex at (1, -6)? y = 3x2 + 6x - 3 y = 3x2 - 6x - 3 y = 3x2 - 8x - 1 y = 3x2 - 3x - 6
B
question
What is the greatest possible integer value of x for which is an imaginary number? 3 4 5 6
B
question
What is the sum of 12 - 5i and -3 + 4i? -16 + 63i 9 - i 9 - 9i 15 - 9i
B
question
Which point shows the location of 5 - 2i on the complex plane below? point A point B point C point D
C
question
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) mc006-1.jpg mc006-2.jpg (6, 0)
A
question
Which equation is y = 3(x - 2)2 - (x - 5)2 rewritten in vertex form?
D
question
Which pair of complex numbers has a real-number product? (1 + 3i)(6i) (1 + 3i)(2 - 3i) (1 + 3i)(1 - 3i) (1 + 3i)(3i)
C
question
What is the value of i 20+1? 1 -1 -i i
D
question
What is the value of i 97 - i? -i 0 -2i
B
question
Use the zero product property to find the solutions to the equation x2 - x - 6 = 0. x = -3 or x = -2 x = -3 or x = 2 x = -2 or x = 3 x = 2 or x = 3
C
question
Use the zero product property to find the solutions to the equation x2 - 9 = 16. x = -3 or x = 3 x = -6 or x = -3 x = -5 or x = 5 x = 7 or x = 1
C
question
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)