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4/4- Regressions (all)- Assignments
By DIANA FRANCHINI
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Last updated almost 2 years ago
18 questions
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Question 1
1.
Linear Regressions are in the form...
y=ax^{2} + bx + c
y=mx+b!!
y=a(b)^{x}
Question 2
2.
Quadratic Regressions are in the form...
y=mx+b
y=a(b)^{x}
y=ax^{2} + bx + c
Question 3
3.
Exponential Regressions are in the form...
y=a(b)^{x}
y=mx+b
y=ax^{2} + bx + c
Question 4
4.
The table contains some points on the graph of an
exponential function.
Based on the table, which function represents the same relationship?
n=4+(\frac{1}{2})^{h}
n=4(2)^{h}
n=4+(2)^{h}
n=4(\frac{1}{2})^{h}
Question 5
5.
The table shows a quadratic function. Which function can be used to best represent the table?
f(x) = 2x^{2}+6x
f(x) = 2x^{2}-6x
f(x) = x^{2}-6x
f(x) = 6x^{2}+2x
Question 6
6.
A projectile is launched into the air from the ground. The table of values shows the height of the projectile, h(t), at different times.
Based on the table, which function can best be used to model this situation?
h(t) = 16t^{2}-32t
h(t) = 16t^{2}+32t
h(t) = -16t^{2}+32t
h(t) = -16t^{2}-32t
Question 7
7.
The table shows a quadratic function. Which function can be used to best represent the table?
f(x)=x^{2}-6x+15
f(x)=x^{2}+6x-15
f(x)=x^{2}-6x-15
f(x)=x^{2}+6x+15
Question 8
8.
The table represents some points of the graph of a linear function.
Which equation represents the same relationship?
y = 2x+3
y = -2x - 3
y = 2x - 3
y= -2x +3
Question 9
9.
The table represents some points of the graph of a linear function.
Which equation represents the same relationship?
y = x + 4
y = 4x + 1
y = -x - 4
y = -4x - 1
Question 10
10.
The table contains some points on the graph of an exponential function.
Based on the table, which function represents the same relationship?
q(x) = 256(0.25)^x
q(x) = 0.5(4)^x
q(x) = 0.0625(4)^x
q(x) = (0.25)^x
Question 11
11.
The table contains some points on the graph of an exponential function.
Based on the table, which function represents the same relationship?
y = 2x
y = (1.1)^{x}
y= 2 ^ {x}
y = (1.05)^{x}
Question 12
12.
What is the equation of the line that passes through the points (-5, -2) and (5, 2)?
f(x)= \frac{2}{5}x
f(x) = 5x + 2
f(x) = 2x + 5
f(x)= \frac{5}{2}x
Question 13
13.
The table contains some points on the graph of an exponential function.
Based on the table, which function represents the same relationship?
y=(\frac{1}{6})^{x}
y = 6^{x}
y = 6x
y = -2^{x}
Question 14
14.
The table contains some points on the graph of an exponential function.
Based on the table, which function represents the same relationship?
y = 5^{x}
y = -2^{x}
y = (\frac{1}{2})^{x}
y = 5x
Question 15
15.
The table represents some points of the graph of a linear function.
Which equation represents the same relationship?
f(x) = -x - 4
f(x) = 4x + 1
f(x) = x + 4
f(x) = -4x - 1
Question 16
16.
What is the equation of the line that passes through the points (-4, -5) and (3, 2)?
y = x +7
y = -7x + 23
y = x - 1
y = 3x + 2
Question 17
17.
What is the equation of the line that passes through the points ( 2, 7) and (-4, 7)?
x = 2
y = 0
undefined
y = 7
Question 18
18.
What is the slope of the line that passes through the points ( -4, -14) and (6, 36)?
6
5
-6
-5