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Find the y-intercept of the line: x + 4y=8=0 A. −12 B. 12 C. 2 D. −2

Sagot :

Answer:

C

Step-by-step explanation:

The equation of a line in slope- intercept form is

• y = mx + c ( m is the slope and c the y- intercept )

given the line with equation

x + 4y = 8 ( subtract x from both sides )

4y = - x + 8 ( divide through by 4 )

[tex]\frac{4}{4}[/tex] y = [tex]\frac{-1}{4}[/tex] x + [tex]\frac{8}{4}[/tex] , that is

y = - [tex]\frac{1}{4}[/tex] x + 2 ← in slope- intercept form

with y- intercept c = 2