Solving Systems of Linear Equations: Graphing Answers

A catering company uses a linear function to determine the total cost of parties. The following table shows the costs for dinner parties with varied numbers of guests. What is the cost to cater a dinner party with 90 guests?GuestsTotal Cost30$31560$555

The table shows the number of calories in four meals and the cost of each meal.

What is the slope of a line that is perpendicular to the line y = 8x + 5?

Which phrases describe the relationship between heart rate and daily intake of caffeine? Select two options.

Ms. Sutton recorded the word counts and scores of the top ten essays in a timed writing contest. The table shows her data.How does the word count of an essay relate to its score in the contest?

Given , what is the equation of the line that passes through the points (–p, –q) and (p, q)?

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A 2-column table with 4 rows. The first column is labeled x with entries 0, 1, 4, 5. The second column is labeled y with entries 0, 1, 4, 5.

The table shows the number of flowers in four bouquets and the total cost of each bouquet.

Which graph shows a negative correlation?

Which graph shows data whose r-value is most likely closest to 1?

What is the equation of the line perpendicular to 2x – 3y = 13 that passes through the point (–6, 5)?

What is the slope of a line that is perpendicular to the line y = x + 4? The slope of the line is .

A salesperson is paid a flat rate plus a fixed percentage of her sales. Last month, she sold $16,000 worth of goods and was paid $1,600. Two months ago, she had $12,000 in sales and was paid $1,400. This month she sold $11,000 worth of goods. How much will she be paid?

Alejandro made an error in the steps below when determining the equation of the line that is perpendicular to the line 4x – 3y = –8 and passes through the point (3, –2).Alejandro made his first error in which step?

What is the slope of a line that is perpendicular to the line 2y – 3x = 8?

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A graph shows the horizontal axis numbered 4 to 16 and the vertical axis numbered 4 to 12. Points and a line show a downward trend.

Teddy is preparing to sell some wooden blocks at a garage sale. Before pricing individual bags of blocks, he decides to determine the approximate number of blocks per pound by researching the weights of different sets of blocks. The graph shows his data.

If f(x) is parallel to the line , which function could be f(x)?