3 years ago

What is the y-intercept of the below equation? y = 7x-3.5

Mathematics

1 answer:

Ilya [14]3 years ago

3 0

Answer:

-3.5

Step-by-step explanation:

y=mx+b

b is the y intercept

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3 years ago

Given the system of linear equations.

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To solve the system of Linear equations using Substitution:

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Consider the first equation, x+y=7 implies x=7-y

$\mathrm{Subsititute\:}x=7-y$

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$14-y=5$

$\mathrm{Subtract\:}14\mathrm{\:from\:both\:sides}$

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$\mathrm{Divide\:both\:sides\:by\:}-1$

$y=9$

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PArt(B): Use a graph to verify your answer to the system:

Using Desmos graphing calculator, graph the two equations.

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