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The graph shows the possible combinations of the number of pounds of tangerines and lemons that could be purchased for $\$18$ at a certain store. If Melvin purchased lemons and $4$ pounds of tangerines for a total of $\$18$, how many pounds of lemons did he purchase?

What is an equation of the graph shown?

A city’s total expense budget for one year was x million dollars. The city budgeted y million dollars for departmental expenses and 201 million dollars for all other expenses. Which of the following represents the relationship between x and y in this context?

In the equation above, a and b are constants and . Which of the following could represent the graph of the equation in the xy-plane?

$y=-4x+40$

Which table gives three values of $x$ and their corresponding values of $y$ for the given equation?

The points plotted in the coordinate plane above represent the possible numbers of wallflowers and cornflowers that someone can buy at the Garden Store in order to spend exactly $24.00 total on the two types of flowers. The price of each wallflower is the same and the price of each cornflower is the same. What is the price, in dollars, of 1 cornflower?

The graph of $7x+2y=-31$ in the $xy$-plane has an $x$-intercept at $(a,0)$ and a $y$-intercept at $(0,b)$, where $a$ and $b$ are constants. What is the value of $\frac{b}{a}$?

The graph shows the relationship between the number of shares of stock from Company A, $x$, and the number of shares of stock from Company B, $y$, that Simone can purchase. Which equation could represent this relationship?

Mario purchased 4 binders that cost x dollars each and 3 notebooks that cost y dollars each. If the given equation represents this situation, which of the following is the best interpretation of 24 in this context?

A gardener buys two kinds of fertilizer. Fertilizer A contains 60% filler materials by weight and Fertilizer B contains 40% filler materials by weight. Together, the fertilizers bought by the gardener contain a total of 240 pounds of filler materials. Which equation models this relationship, where x is the number of pounds of Fertilizer A and y is the number of pounds of Fertilizer B?

In the xy-plane, a line has a slope of 6 and passes through the point . Which of the following is an equation of this line?

Which of the following could define the relationship between s and P ?

The equation $40x+20y=160$ represents the number of sweaters, $x$, and number of shirts, $y$, that Yesenia purchased for $\$160$. If Yesenia purchased $2$ sweaters, how many shirts did she purchase?  

The table shows three values of $x$ and their corresponding values of $y$. There is a linear relationship between $x$ and $y$. Which of the following equations represents this relationship?

Line in the xy-plane is perpendicular to the line with equation . What is the slope of line ?

Tony spends $80 per month on public transportation. A 10-ride pass costs $12.50, and a single-ride pass costs $1.50. If g represents the number of 10-ride passes Tony buys in a month and t represents the number of single-ride passes Tony buys in a month, which of the following equations best represents the relationship between g and t ?

In an article about exercise, it is estimated that a 160-pound adult uses 200 calories for every 30 minutes of hiking and 150 calories for every 30 minutes of bicycling. An adult who weighs 160 pounds has completed 1 hour of bicycling. Based on the article, how many hours should the adult hike to use a total of 1,900 calories from bicycling and hiking?

The graph of $9x-10y=19$ is translated down $4$ units in the xy-plane. What is the x-coordinate of the x-intercept of the resulting graph?

A city is planning to build a rock retaining wall, a monument, and a garden in a park. The table above shows four rock types that will be considered for use in the project. Also shown for each rock type is its weight per volume, in pounds per cubic foot (lb/ft³), and the cost per pound, in dollars. The equation gives the total cost, in dollars, of the rocks used in the project in terms of the number of ft³ of limestone, w, and the number of ft³ of basalt, z. All four rock types are used in the project. Which of the following is the best interpretation of 3,385.80 in this context?

When line $n$ is graphed in the xy-plane, it has an x-intercept of $\left(-4,0\right)$ and a y-intercept of $\left(0,\frac{86}{3}\right)$. What is the slope of line $n$?

In the xy-plane, line $k$ passes through the points $\left(0,-5\right)$ and $\left(1,-1\right)$. Which equation defines line $k$?

The table above shows the coordinates of three points on a line in the xy-plane, where k and n are constants. If the slope of the line is 2, what is the value of  ?

A line in the xy-plane has a slope of $\frac{1}{9}$ and passes through the point $\left(0,14\right)$. Which equation represents this line?

Vivian bought party hats and cupcakes for $\$71$. Each package of party hats cost $\$3$, and each cupcake cost $\$1$. If Vivian bought $10$ packages of party hats, how many cupcakes did she buy?

The graph shows the linear relationship between $x$ and $y$. Which table gives three values of $x$ and their corresponding values of $y$ for this relationship?