Inverse
What is the inverse of:
(2, 3)
(3, 4)
(-2, 1)
(3, 2)
(4, 3)
(1, -2)
Factor x2 + 3x + 2
(x + 1)(x + 2)
What country produces the most coffee in the world?
Brazil
What state is Mr. V from?
Iowa
What is the standard form of a cubic function?
y = ax3 + bx2 + cx + d
True or False: Inverse functions are reflections of each other over the line y = 2x.
False, they are reflections over the line y = x.
Find the linear regression of this data (round to the nearest whole #):
9 260
13 320
21 420
30 530
y = 13x + 150
What is the p-value given focus = (3, 0) and directrix is y = 4
p = -2
What is the solution (ordered pair) of the system of equations?
y = 4x2 + 5x - 7
y = -3x + 5
(1, 2)
What are the solutions of (x - 3)(x + 2)x
x = 3
x = -2
x = 0
What is f-1(x) if
f(x) = 2x + 1
f-1(x) = (x-1) / 2
What is the solution of the quadratic inequality
x2 - x < 12
(-3, 4)
What are the three primary colors?
Red, blue, and yellow
What is a set of points that shares the same property.
Locus of Points
What are the solutions of y = x3 - 7x - 6
x = -1
x = 3
x = -2
What is the inverse of f(x) = (x + 5)2
f-1(x) = ± sqrt(x) - 5
What is the correct interval of x2 + 2x - 24 > 0
(- ∞, - 6) U (4, + ∞)
Find the equation of the parabola with focus at (7,0) and directrix x = -7.
y2 = 28x
Factor x2 + 6x - 27
(x + 9)(x - 3)
Dilate x2 + 2x - 1 by x
x3 + 2x2 - x
Find f-1(x) when f(x) = sqrt(x - 7)
y = x2 + 7
What is the solution of x2 + x -12 ≤ 0
[-4, 3]
What is the p-value for the parabola:
(y - 4)2 = -16 (x + 1)
p = -4
What is the regression equation of this table?
Hint: It is either linear or exponential
Input Output
-2 512
-1 128
0 32
1 8
2 2
y = 32(1/4)x
Dilate (x + 1)(2x - 7) by (x + 10)
2x3 + 15x2 - 57x - 70