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23-11-2018
Mathematics

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Number 17.

If the y-intercept is 5, what is the value of B of the graph of 2x + By = 15?

A. 0

B. 7.5

C. 1

D. -3

E. 3

Respuesta :

mathstudent55 mathstudent55

23-11-2018

2x + By = 15

We solve for y to put the equationj in the y = mx + b form in which b is the y-intercept.

By = -2x + 15

y = -2/Bx + 15/B

The y-intercept is 15/B, and we are told the y-intercept is 5.

15/B = 5

15 = 5B

B = 3

Answer: E. 3

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