12/6 CMS Math

A recipe for lasagna calls for ground beef. Ground beef costs $4.86 per pound. Which equation below represents y, the total cost of x pounds of ground beef?

• 𝑥 = 4.86 + y

• 𝑦 = 4.86 + x

• 𝑥 = 4.86y

• 𝑦 = 4.86x

The graph represents the linear relationship between the number of weeks and the number of views on Layla’s Book Review video.

Which of these statements is supported by the rate of change in this relationship?

• Layla had 40 views in the first 2 weeks the video was online.

• Layla had 20 views in the first 4 weeks the video was online.

• Layla had 80 views in the first 2 weeks the video was online.

• Layla had 2 views in the first 40 weeks the video was online.

Benny is tracking his cat’s eating and finds his cat eats 0.50 cup of food twice a day. Which graph best represents the situation?

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Krystal’s cell phone plan costs $45 per month. The table shows the sum amounts that Krystal will pay for her cell phone plan over the next 5 months. Which equation best represents the linear relationship in the table?

• x = 45y

• 𝑦 = 45𝑥 + 45

• y = 45x

• 𝑥 = 1𝑦 + 45

Plot these coordinates

(6,4)

(-2,7)