Modeling with Quadratic Equations — Unit test Answers
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21
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A sequence can be defined by the explicit formula . Which recursive formula represents the same sequence of numbers?
A
Option
B
Option
C
Option
D
Option
22
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Identify the equation that translates five units down.
A
y = l n (x minus 5)
B
y = l n (x) + 5
C
y = l n (x + 5)
D
y = l n (x) minus 5
23
Jerome solved the equation below by graphing.Which of the following shows the correct system of equations and solution?
A
; x = 3
B
; x = 4
C
; x = 33
D
; x = 44
24
What is the range of the function f(x) = –2(6x) + 3?
A
OptionB
Option
C
Option
D
Option
25
Which of the following shows the extraneous solution to the logarithmic equation below?
A
x = negative 6
B
x = negative 4
C
x = negative 2
D
x = negative 1
26
Which graph shows the solution to the equation below?
A
On a coordinate plane, a curve starts in quadrant 3 and curves up into quadrant 1 and approaches y = 3. It crosses the x-axis at (1, 0). A horizontal straight line is at y = 1.
B
On a coordinate plane, a curves starts in quadrant 4 and curves up into quadrant 1 and approaches y = 3. It crosses the x-axis at (1, 0). A horizontal straight line is at y = negative 1.
C
On a coordinate plane, a curve starts in quadrant 3 and curves up into quadrant 1 and approaches y = 1. It crosses the x-axis at (negative 1, 0). A horizontal straight line is at y = 1.
D
On a coordinate plane, a curves starts in quadrant 3 and curves up into quadrant 1 and approaches y = 2. It crosses the x-axis at (negative 1, 0). A horizontal straight line is at y = negative 1.
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