Quiz about CUA 3B

Question 1

What is the y-intercept of the graph of the function?

Accepted Answer

$$1$$

Answer

$$\frac{3}{2}$$

Answer

$$\frac{4}{5}$$

Answer

$$\frac{4}{3}$$

Question 2

What are the slope and the y-intercept of the graph of the linear function on the grid?

Accepted Answer

slope: $$-\frac{1}{4}$$

y-intercept: -1.5

Answer

slope: 4

y-intercept: -6

Answer

slope: -4

y-intercept: -1.5

Answer

slope: $$\frac{1}{4}$$

y-intercept: -6

Question 3

A company sells bottles of vitamin capsules. The graph and table show the linear relationship between the cost per capsule in cents and the number of bottles ordered. What is the slope of the line that models the situation?

Accepted Answer

-5

Answer

5

Answer

$$-\frac{1}{5}$$

Answer

$$\frac{1}{5}$$

Question 4

The cost for electricity varies directly with the amount of kilowatt-hours of electricity used. The cost for using 1,079 kilowatt-hours of electricity was $129.48.

What was the cost for using 908 kilowatt-hours of electricity?

Accepted Answer

$108.96

Answer

$41.52

Answer

$153.86

Answer

$75.67

Question 5

Emily sells greeting cards. The graphs models the linear relationship between the number of boxes of cards she sells and her profit. Which of these best describes the profit Emily makes from selling these cards?

Accepted Answer

$7.50 per box

Answer

$10.00 per box

Answer

$4.00 per 30 boxes

Answer

$3.00 per 4 box

Question 6

Based on the table, how much did Francis earn per hour?

Accepted Answer

$14.00 per hour

Answer

$17.50 per hour

Answer

$35.00 per hour

Answer

$24.50 per hour

Question 7

If y varies directly as x and y = 18 when x = 3, Find y when x = 7.

Accepted Answer

42

Answer

16

Answer

34

Answer

49

Question 8

What is the slope?

Accepted Answer

3/2

Answer

2/3

Answer

-7

Answer

-5

Question 9

What is the slope?

Accepted Answer

1/4

Answer

4

Answer

-3

Answer

-2

Question 10

Please view the image to answer the question.

Accepted Answer

$$\frac{3-7}{-4-\left(-7\right)}=\frac{-5-3}{2-\left(-4\right)}$$

Answer

$$\frac{3-\left(-4\right)}{7-\left(-7\right)}=\frac{-5-2}{3-\left(-4\right)}$$

Answer

$$\frac{4-\left(-7\right)}{3-7}=\frac{2-\left(-4\right)}{-5-3}$$

Answer

$$\frac{4-\left(-3\right)}{7-7}=\frac{2-\left(-5\right)}{-4-3}$$

Question 11

Please the view the image to answer the question.

Accepted Answer

$$\frac{KL}{LM}=\frac{PR}{RS}$$

Answer

$$\frac{ }{ }$$ $$\frac{RS}{SP}=\frac{LM}{MK}$$

Answer

$$\frac{ML}{LK}=\frac{SP}{RP}$$

Answer

$$\frac{PS}{PR}=\frac{KM}{KL}$$

Question 12

Please view the image to answer the question.

Accepted Answer

-4

Answer

$$-\frac{1}{4}$$

Answer

4.12

Answer

4

Question 13

Carolyn will buy the same number of stamps every month to add to a stamp collection her grandfather gave her. The table shows the number of stamps Carolyn will have at the end of x months. How many stamps was Carolyn given, and how many stamps will she buy every month?

Accepted Answer

Carolyn was given 200 stamps, and she will buy 50 stamps every month.

Answer

Carolyn was given 180 stamps, and she will buy 70 stamps every month.

Answer

Carolyn was given 180 stamps, and she will buy 50 stamps every month.

Answer

Carolyn was given 200 stamps, and she will buy 70 stamps every month.

Question 14

Luke's family goes to the movies and purchases a large popcorn. They are debating whether to purchase any drinks. The table shows the total cost based on the number of drinks they decide to purchase. Please select the correct statement based on the information provided.

Accepted Answer

The popcorn cost $6.25 and the cost per drink $3.75.

Answer

The popcorn cost $3.75 and the cost per drink $6.75.

Answer

The popcorn cost $6.25 and the cost per drink $10.00.

Answer

The popcorn cost $10.00 and the cost per drink $13.75.

Question 15

The number of gift baskets Nikki can make varies directly with the amount of time she spends making the baskets. She can make 4 baskets in $$\frac{1}{2}$$ hours. How many baskets can Nikki make in 5 hours?

Accepted Answer

40

Answer

1/40

Answer

-40

Answer

4

CUA 3B

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