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

answer

B

question

What is the greatest possible integer value of x for which is an imaginary number?
3
4
5
6

answer

B

question

What is the sum of 12 - 5i and -3 + 4i?
-16 + 63i
9 - i
9 - 9i
15 - 9i

answer

B

question

Which point shows the location of 5 - 2i on the complex plane below?
point A
point B
point C
point D

answer

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)

answer

A

question

Which equation is y = 3(x - 2)2 - (x - 5)2 rewritten in vertex form?

answer

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)

answer

C

question

What is the value of i 20+1?
1
-1
-i
i

answer

D

question

What is the value of i 97 - i?
-i
0
-2i

answer

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

answer

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

answer

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)

answer

A

question

For what values of m does the graph of y = mx2 - 5x - 2 have no x-intercepts?

answer

B

question

When graphed, which parabola opens downward?
y = -3x2
y = (x - 3)2
y = one-third x squared
y = x2 - 3

answer

A

question

Adam is using the equation (x)(x + 2) = 255 to find two consecutive odd integers with a product of 255. When Adam solves the problem using the zero product property, what do those solutions represent?
two possible "first" integers
two possible "second" integers
the two consecutive odd integers with a product of 255
a possible "first" integer and a possible "second" integer

answer

A