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12. The point (4,20) lies on the line y= mx + 8, for some value of m.

(A) if m = 12 will the point (4,20) lie on the line? How can you tell?


(B) Find the value of m for which the point (4,20) will lie on the line.

12 The point 420 lies on the line y mx 8 for some value of m A if m 12 will the point 420 lie on the line How can you tell B Find the value of m for which the class=

Respuesta :

Answer:

A. No. B. 3

Step-by-step explanation:

A. The point is (4, 20) plug these into the equation with m being 2,

20=2(4)+8

20=8+8

20=16, this statement is not true, so m can't be 2.

B. 20=4m+8

  -8           -8

12=4m divide by 4 on each side,

m=3

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