Answers OK-Algebra II AWriting and Graphing Equations in Two Variables

Writing and Graphing Equations in Two Variables Answers

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Each day that a library book is kept past its due date, a $0.30 fee is charged at midnight. Which ordered pair is a viable solution if x represents the number of days that a library book is late and y represents the total fee?

(–3, –0.90)

(–2.5, –0.75)

(4.5, 1.20)

(8, 2.40)

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The graph shows the relationship between the number of hours that Michelle has been driving and the distance that she has left to travel to get to her destination.

It took Michelle 6 hours to complete the trip.

For each hour that Michelle drove, she traveled an additional 50 miles.

In the first 6 hours, Michelle had traveled a total of 50 miles.

In the first 3 hours, Michelle had traveled a total of 200 miles.

Julie needs to cut 4 pieces of yarn, each with the same length, and a piece of yarn 7.75 inches long. Let x represent the length of each of the equal pieces of yarn that Julie decides to cut. What is the equation that can be used to determine the total length of all of the yarn that she ends up cutting, y? Is the graph of the equation continuous or discrete?

y=7.75x+4; discrete

y=7.75x+4; continuous

y=4x+7.75; discrete

y=4x+7.75; continuous

The graph shows the relationship between the total cost and the number of gift cards that Raj bought for raffle prizes.

$80

$90

$100

$110

Mr. Hann is trying to decide how many new copies of a book to order for his students. Each book weighs 6 ounces.

Option

Peaches are being sold for $2 per pound.The customer created a model to represent the total cost of peaches bought. If x represents the number of pounds of peaches bought and y represents the total cost of the peaches, which best describes the values of x and y?

The values of both x and y can be any real number.

The values of both x and y will be real numbers greater than or equal to 0.

The value of x and y will always be zero

The value of x can be any real number greater than or equal to 0, but the value of y must be an integer greater than or equal to 0.

Which graph shows the equation V = 4 + 2t, where V is the total volume of water in a bucket and t is the elapsed time in minutes?

On a coordinate plane, the x-axis shows elapsed time in minutes (t) and the y-axis shows total volume of water (V). A straight line with a positive slope begins at point (0, 3) and ends at point (5.5, 24).

On a coordinate plane, the x-axis shows elapsed time in minutes (t) and the y-axis shows total volume of water (V). Solid circles are at points (0, 3), (1, 6), (2, 10), (3, 14), (4, 18), (5, 22).

On a coordinate plane, the x-axis shows elapsed time in minutes (t) and the y-axis shows total volume of water (V). A straight line with a positive slope begins at point (0, 4) and ends at point (6, 16).

On a coordinate plane, the x-axis shows elapsed time in minutes (t) and the y-axis shows total volume of water (V). Solid circles are at points (0, 4), (1, 6), (2, 8), (3, 10), (4, 12), (5, 14), (6, 16).

Jayne stopped to get gas before going on a road trip. The tank already had 4 gallons of gas in it. Which equation relates the total amount of gasoline in the tank, y, to the number of gallons that she put in the tank, x?

y=4+x

y = x − 4

y = 4 · x

y = x ÷ 4

Which graph represents viable values for y = 5.5x, where x is the number of cans of tomato paste and y is the total weight of the sealed cans in ounces?

On a coordinate plane, x-axis is numbered negative 5 to positive 5 in increments of 1, and the y-axis is numbered negative 27.5 to 27.5 in increments of 5.5. A straight line with a positive slope begins at point (0, 0) and ends at point (5, 27.5)

On a coordinate plane, x-axis is numbered negative 5 to positive 5 in increments of 1, and the y-axis is numbered negative 27.5 to 27.5 in increments of 5.5. Solid circles appear at points (0, 0), (1, 5.5), (2, 11), (3, 16.5), (4, 22), (5, 27.5)

On a coordinate plane, x-axis is numbered negative 5 to 5 in increments of 1, and the y-axis is numbered negative 27.5 to 27.5 in increments of 5.5. A straight line with a positive slope begins at point (negative 5, negative 27.5) and ends at point (5, 27.5).

On a coordinate plane, x-axis is numbered negative 5 to 5 in increments of 1, and the y-axis is numbered negative 27.5 to 27.5 in increments of 5.5. Solid circles appear at points (negative 5, negative 27.5), (negative 4, negative 22), negative 3, negative 16.5), (negative 2, negative 11), (negative 1, negative 5.5), (0, 0), (1, 5.5), (2, 11), (3, 16.5), (4, 22), (5, 27.5)

On a coordinate plane, a straight line with a positive slope begins at point (0, 50) and ends at point (5.5, 600).

the total amount of money in the cash register, y, containing $50 in change and small bills and x $100 bills

the total number of puzzle pieces, y, in a brand new 50-piece puzzle, and x brand-new 100-piece puzzles

the total weight of the barbell, y, where the bar weighs 50 pounds and x 100-pound weights are added to it

the total number of calories, y, in a salad with vegetables containing 50 calories topped with x ounces of salad dressing at 100 calories per ounce

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Writing and Graphing Equations in Two Variables Answers

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