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Katen [24]
2 years ago
10

Find the slope of the line represented by the data below

Mathematics
1 answer:
elena-14-01-66 [18.8K]2 years ago
7 0

Answer:

Slope = -4

Step-by-step explanation:

Let us solve the question

∵ The slope of the line is m = Δy/Δx

∵ Δy is the change of y ⇒ Δy = y2 - y1

∵ Δx is the change of x ⇒ Δx = x2 - x1

→ Choose from the table x1, y1 and x2, y2

∵ x1 = -3 and y1 = 12

∵ x2 = -2 and y2 = 8

→ Use them to find Δx and Δy

∵ Δx = -2 - (-3) = -2 + 3 = 1

∴ Δx = 1

∵ Δy = 8 - 12 = -4

∴ Δy = -4

→ Use them to find the slope

∵ m = Δy/Δx

∴ m = \frac{-4}{1}

∴ m = -4

∵ m is the slope of the line

∴ The slope of the line is -4

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system for $323.96. She paid in 12 equal

installments. About how much did she pay each

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Sample answer: about $27

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during one Earth year?

ANSWER:  

Sample answer: about 6 times

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(ppm), for three different

brands of printer.

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pages long. How much longer will it take to print the

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b. Carlos can print a document on an Apricot

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beginning and end of this section and at every 0.5

mile in between. How many new signs are needed?

A 13

B 14

C 52

D 53

ANSWER:  

D

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