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Paladinen [302]
3 years ago
13

If the line through (-2,4) and (5,d) is parallel to the graph of y=3x+4, what is the value of d?

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
7 0
Y = 3x + 4....slope here is 3. A parallel line will have the same slope.

slope = (d - 4) / (5 - (-2) = (d - 4) / (5 + 2) = (d - 4) / 7....so d is going to have to be 25.

lets check....the slope has to equal 3 to be a parallel line
(-2,4)(5,25)
slope = (25 - 4) / (5 - (-2) = 21/(5 + 2) = 21/7 = 3 (correct)

so d = 25


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