aladybug12 aladybug12

09-07-2017
Mathematics

contestada

(4,?) is on the line below. Find the other half of the coordinate.
y=2/7x+3

A. -29/7
B. -13/7
C. 13/7
D. 29/7

Respuesta :

mathmate mathmate

11-07-2017

We are given the point (4,b) is on the line y=2x/7+3.

(4,b) means x=4, y=b (b is to be found).

Substitute x=4 in the line equation, giving
y=2(4)/7+3
=8/7+3
=29/7
therefore y=b=29/7.

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