Quiz about Sub Work 2/19/25

Question 1

f(x) is the same thing as ______.

Accepted Answer

y

Answer

x

Answer

input

Answer

an equation

Question 2

Given f(x) = x² - 1, what is the value of f(10)?

Accepted Answer

99

Answer

100

Answer

19

Answer

9

Question 3

If f(x) = 2x + 1, find f(1).

Accepted Answer

f(1) = 3

Answer

f(1) = 1

Answer

f(1) = 4

Answer

f(1) = 0

Question 4

How would you write y = 2x - 3 in function notation?

Accepted Answer

f(x) = 2x-3

Answer

y = 2x-3

Answer

f = 2x - 3

Question 5

Evaluate f(-2) if f(x) = x + 3

Accepted Answer

1

Answer

-1

Answer

5

Answer

-5

Question 6

Find the Slope

Accepted Answer

3

Answer

No Slope

Answer

1/3

Answer

Zero

Question 7

Find the slope from the table.

Accepted Answer

4

Answer

-4

Answer

1

Answer

-2

Question 8

What is the slope?

Accepted Answer

-3

Answer

-1/3

Answer

-4

Answer

5

Question 9

Find the slope from the table:

Accepted Answer

5/-2

Answer

-2/5

Answer

5/2

Answer

2/5

Question 10

Which point is on the origin?

Accepted Answer

None of them

Answer

Point A

Answer

Point G

Answer

Point J

Question 11

Which is the horizontal axis?

Accepted Answer

x axis

Answer

y axis

Question 12

Which axis is the vertical axis?

Accepted Answer

y axis

Answer

x axis

Question 13

What is the y-intercept shown on the graph?

Accepted Answer

(0, 3)

Answer

(0, -2)

Answer

(3, 0)

Answer

None of these.

Question 14

What is the y-intercept of the line?

Accepted Answer

-1

Answer

1/2

Answer

1

Answer

-1/2

Question 15

Give the x-intercept

3x + 8y = 24

Accepted Answer

x = 8

Answer

x = 0

Answer

x = 3

Answer

x = 24

Question 16

What is the x and y intercept for the following equation ?
4x - 10y = 20

Accepted Answer

x - int = 5
y int = -2

Answer

x - int = 4
y-int = -10

Answer

x-int = 5
y-int = 2

Answer

x -int = 4
y -int = -10

Question 17

^{What is the x- intercept of the line?}

Accepted Answer

x = -1

Answer

x = 1

Answer

x = 2

Answer

x = -2

Question 18

Identify the x-intercept of this graph.

Accepted Answer

(-2,0)

Answer

(-3,0)

Answer

(0,3)

Answer

(2,0)

Question 19

The amusement park charges $20 to get in plus $1.50 per ride. Which linear equation below represents this relationship.

Accepted Answer

y=1.5x + 20

Answer

y=1.5+20x

Answer

y = 20x + 1.5

Answer

y= 21.5x

Question 20

The local service center advertises that it charges a flat fee of $50 plus $8 per mile to tow a vehicle. Write an equation that represents the total cost (C) of a service for m miles of towing.

Accepted Answer

C = 8m + 50

Answer

y = 8x + 50

Answer

C = 50m +8

Answer

y = 50x + 8

Question 21

A plumber charges $50 to make a house call. He also charges $25 per hour for labor.

How much would it cost for 2.5 hours of labor?

Accepted Answer

$112.50

Answer

$100

Answer

4.50

Answer

$65.00

Answer

$123.45

Question 22

Is (-1, 1) a solution?

Accepted Answer

No

Answer

Yes

Question 23

Is (2, 3) a solution?

Accepted Answer

Yes

Answer

No

Question 24

Is (1,1) a solution?

Accepted Answer

No

Answer

Yes

Question 25

Is (1,2) a solution?

Accepted Answer

No

Answer

Yes

Question 26

Which point is a solution?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 27

Which point below is NOT part of the solution set?

Accepted Answer

(-1, -3)

Answer

(0, 0)

Answer

(5, 1)

Answer

(20, -5)

Question 28

Which color is the solution region to this system of inequaliteis?

Accepted Answer

Purple

Answer

White

Answer

Blue

Answer

Red

Question 29

Which coordinate point is a solution to the system of inequalities?

Accepted Answer

(4,-1)

Answer

(o,o)

Answer

(2,2)

Answer

(1,-3)

Question 30

Is this line an accurate line estimate of best fit for the data?

Accepted Answer

Yes

Answer

No

Question 31

Which of the following lines represents the line of best fit for the scatter plot?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 32

Which of the following lines represents the line of best fit for the scatter plot?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 33

What is the correlation for the following Scatter Plot.

Accepted Answer

No Correlation

Answer

Weak Positive

Answer

Strong Negative

Answer

Weak Negative

Answer

Strong Positive

Question 34

What is the correlation for the following Scatter Plot.

Accepted Answer

Strong Negative

Answer

Weak Positive

Answer

No Correlation

Answer

Weak Negative

Answer

Strong Positive

Question 35

What is the correlation for the following Scatter Plot.

Accepted Answer

Strong Positive

Answer

Weak Positive

Answer

No Correlation

Answer

Strong Negative

Answer

Weak Negative

Question 36

Given the following Scatter Plot, select the option that is most likely the r value.

Accepted Answer

$$r=.934$$

Answer

$$r=.27$$

Answer

$$r=-.862$$

Answer

$$r=.54$$

Question 37

Given the following Scatter Plot, select the option that is most likely the r value.

Accepted Answer

$$r=-.981$$

Answer

$$r=-.45$$

Answer

$$r=.728$$

Answer

$$r=.12$$

Question 38

If r=0, there is a strong correlation.

Accepted Answer

False

Answer

True

Question 39

r = -0.3 is considered to have...

Accepted Answer

weak negative correlation

Answer

moderate negative correlation

Answer

no correlation

Answer

strong negative correlation

Question 40

Estimate the correlation coefficient for this scatterplot.

Accepted Answer

A) r = -0.9

Answer

B) r = 1

Answer

C) r = 0.9

Answer

D) r = -1

Question 41

Given the following Scatter Plot, select the option that is most likely the r value.

Accepted Answer

r = 0.90

Answer

r = 0.40

Question 42

Simplify

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 43

Simplify.

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 44

Simplify.

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 45

$$-14.3467498884384575993874...$$ is

Accepted Answer

Irrational

Answer

Rational

Question 46

$$\frac{1}{2}+\frac{9}{125}$$ is

Accepted Answer

Rational

Answer

Irrational

Question 47

$$\sqrt[]{2}+\frac{2}{5}$$ is

Accepted Answer

Irrational

Answer

Rational

Question 48

If a line has a slope of 3/4 a line that is parallel has a slope of what?

Accepted Answer

3/4

Answer

4/3

Answer

-3/4

Answer

-4/3

Question 49

If a line has a slope of -5/6 a line that is parallel has a slope of what?

Accepted Answer

-5/6

Answer

6/5

Answer

5/6

Answer

-6/5

Question 50

If a line has a slope of 3 a line that is parallel has a slope of what?

Accepted Answer

3

Answer

1/3

Answer

-3

Answer

-1/3

Question 51

If a line has a slope of -1/7 a line that is perpendicular has a slope of what?

Accepted Answer

7

Answer

-7

Answer

-1/7

Answer

1/7

Question 52

If a line has a slope of 4/7 a line that is perpendicular has a slope of what?

Accepted Answer

-7/4

Answer

7/4

Answer

4/7

Answer

-4/7

Question 53

If a line has a slope of 1/10 a line that is parallel has a slope of what?

Accepted Answer

1/10

Answer

-1/10

Answer

10

Answer

-10

Question 54

If a line has a slope of 7/3 a line that is parallel has a slope of what?

Accepted Answer

7/3

Answer

-7/3

Answer

3/7

Answer

-3/7

Question 55

Find the midpoint of the segment with the following endpoints:

(-9, 2) & (-5, -6).

Accepted Answer

(-7, -2)

Answer

(2, -7)

Answer

(-9, -5)

Answer

(2, -6)

Question 56

Find the midpoint of the segment with the following endpoints:

(9, 8) & (3, 2).

Accepted Answer

(6, 5)

Answer

(5, 6)

Answer

(9, 2)

Answer

(3, 8)

Question 57

Find the midpoint: $$\left(3,9\right),\left(-1,-5\right)$$

Accepted Answer

$$\left(1,2\right)$$

Answer

$$\left(-1,-2\right)$$

Answer

$$\left(2,7\right)$$

Answer

$$\left(-2,-7\right)$$

Question 58

What is the distance between the two points?

Accepted Answer

6.3

Answer

6.5

Answer

6.7

Answer

16

Question 59

Find the distance between J and K.

Accepted Answer

8.2

Answer

7.7

Answer

9

Answer

10.2

Question 60

Find the distance.

Accepted Answer

11.7

Answer

9.7

Answer

10.7

Answer

12.7

Question 61

Find the distance.

Accepted Answer

7.8

Answer

7.1

Answer

8.7

Answer

8.9

Question 62

What is the perimeter of the rectangle? (Round to the nearest tenth)

Accepted Answer

about 21.6

Answer

18

Answer

about 23.6

Answer

about 25.1

Question 63

What is the perimeter of the triangle? (Round to the nearest tenth)

Accepted Answer

about 13.2

Answer

12

Answer

21

Answer

about 12.6

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