9th
-
12th
grade

Mathematics

67%

accuracy

plays

Barb Pischke

4 years

Mathematics

9th -

12thgrade

chapter 8 PC

Barb Pischke

16
plays

30 questions

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1. Multiple Choice
30 seconds
1 pt
What type of pattern does a quadratic function have?
add-add
add-mult.
mult.-add.
constant second differences
none
2. Multiple Choice
30 seconds
1 pt
What type of a pattern does a logarithmic function have?
add-add
mult-mult
mult-add
add-mult
none
3. Multiple Choice
30 seconds
1 pt
What type of pattern does a logistic function have?
add-add
constant second differences
mult-add
mult-mult
none
4. Multiple Choice
30 seconds
1 pt
Name the function: $y=a\cdot b^x$
power
exponential
quadratic
logarithmic
logistic
5. Multiple Choice
30 seconds
1 pt
Name the function: $f\left(x\right)=3+7\ln x$
exponential
power
quadratic
logarithmic
logistic
6. Multiple Choice
30 seconds
1 pt
Name the function: $y=a\cdot x^b$
logarithmic
power
exponential
logistic
linear
7. Multiple Choice
30 seconds
1 pt
Name the function: $\frac{420}{1+72e^{.7x}}$
logarithmic
exponential
power
logistic
linear
8. Multiple Choice
30 seconds
1 pt
What is $\overline{y}$ ?
a. deviation
b. residual
c. average of y's
d. regression equation
a. and c.
9. Multiple Choice
30 seconds
1 pt
y "hat" is:
a. the residual
b. the regression equation
c. the deviation
d. the predicted y value for each x
b. and d.
10. Multiple Choice
30 seconds
1 pt
What is the correlation for the following Scatter Plot.
Weak Positive
No Correlation
Strong Negative
Weak Negative
Strong Positive
11. Multiple Choice
30 seconds
1 pt
What is the correlation for the following Scatter Plot.
Weak Positive
No Correlation
Strong Negative
Weak Negative
Strong Positive
12. Multiple Choice
30 seconds
1 pt
What is the correlation for the following Scatter Plot.
Weak Positive
No Correlation
Strong Negative
Weak Negative
Strong Positive
13. Multiple Choice
30 seconds
1 pt
Given the following Scatter Plot, select the option that is most likely the r value.
$r=.27$
$r=-.862$
$r=.934$
$r=.54$
14. Multiple Choice
30 seconds
1 pt
Given the following Scatter Plot, select the option that is most likely the r value.
$r=-.1$
$r=-.981$
$r=.92$
$r=.765$
15. Multiple Choice
30 seconds
1 pt
What type of correlation (association)?
The outside temperature and the amount of layers you wear.
A) Positive correlation
B) Negative correlation
D) No correlation
16. Multiple Choice
2 minutes
1 pt
The scatter plot shows the number coffee shops in different cities and the number of violent crimes. Which of the following is NOT true?
A) As the number of coffee shops increase, violent crimes appears to increase.
B) The line of best fit (regression line) shows a positive correlation
C) The data has a positive correlation coefficient
D) An increase in coffee shops causes an increase in violent crimes
17. Multiple Choice
15 minutes
1 pt
Find the equation of the line of best fit for this table.
y = -2.28x + 51.08
y = 51.08x - 2.28
y = 0.06x - 0.26
y = -2.28x - 0.26
18. Multiple Choice
1 minute
1 pt
Shown is a residual plot. How many negative residuals are there?
5
1
3
9
19. Multiple Choice
30 seconds
1 pt
What should a residual plot look like?
Distinct Pattern
Curve
Random
20. Multiple Choice
1 minute
1 pt
Residuals are . . .
possible models not explored by the researcher
variation in the response variable that is explained by the model
the difference between the observed response and the values predicted by the model
data collected from individuals that is not consistent with the rest of the group
21. Multiple Choice
3 minutes
1 pt
Calculate the quadratic regression function for this table of values to the nearest tenth.
f(x) =
2x² - 9x + 10
f(x)=
3x² + 9x - 10
f(x) =
3.1x² - 9.2x - 10.3
f(x) =
2.1x² - 8.6x + 10.1
22. Multiple Choice
3 minutes
1 pt
The city of Sugar Land has been experiencing rapid growth. Determine an exponential model for the following data.
y = 18, 718.26(1.13)^x
y = 1871826(1.13)^x
y = 187.1826(1.13)^x
y = 1.8718.26(1.13)^x
23. Multiple Choice
30 seconds
1 pt
Use the following ordered pairs to determine the best regression model: Linear, Quadratic, Cubic, or Exponential?
(0, 250), (1, 280), (2, 284), (3, 249), (4, 202)
Linear
Quadratic
Cubic
Exponential
24. Multiple Choice
30 seconds
1 pt
$f\left(x\right)=\frac{45}{1+15e^{-1.3x}}$ Using the given function, what is the horizontal asymptote(s)
y=0
y=45
y=15
y=0 and y=45
25. Multiple Choice
30 seconds
1 pt
$f\left(x\right)=\frac{45}{1+14e^{-1.3x}}$ Using the given function, what is the y-intercept?
(0,3)
(0,1)
(0,15)
(0,45)
26. Multiple Choice
30 seconds
1 pt
Find the value of c in the equation of the graphed logistic function:
$c=2$
$c=4$
$c=3$
$c=1$
27. Multiple Choice
30 seconds
1 pt
The function $P\left(x\right)=\frac{5000}{1+6e^{-0.125x}}$ represents the number of people in Indian Trail who are projected to regularly frequent Mr. H's new restaurant each week after his grand opening, where x is the number of weeks after the grand opening. Approximately how many people are expected to regularly frequent Mr. H's restaurant 8 weeks after his grand opening?
1,559
5,002
1,153
3,281
28. Multiple Choice
10 seconds
1 pt
What type of function is this?
logarithmic
quadratic
exponential
Logistic
29. Multiple Choice
10 seconds
1 pt
What type of function is this?
logarithmic
square root
exponential
rational
30. Multiple Choice
10 seconds
1 pt
What type of function is this?
quadratic
absolute value
linear
exponential
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chapter 8 PC

9th - 12thgrade

Mathematics

Mathematics

9th -

12thgrade

chapter 8 PC

16 plays

30 questions

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9th
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plays