lakiprincess
contestada

1.) Which functions are linear?

I. y=x^2
II. y=-x^2
III. y=2x+1
IV. y=-1/3x+12

2.) What is the x-intercept of the equation shown below?
y=3x+5

A.) (0,5)
B.) (-5/3,0)
C.) (3,0)
D.) (0,-3/5)

3.) Which of the following is a function?

I. x^2+y^2=1
II. y=x^2
III. y=4x-10
IV. 1/2y=3x

Respuesta :

1) linear  III. y=2x+1
2) x-int, y=3x+5, y=0, 0=3x+5, 3x=-5, x=-5/3
         B.) (-5/3,0)
3)
maybe question was  : What is not a function?
I. x^2+y^2=1 not function
II. y=x^2   function
III. y=4x-10 function
IV. 1/2y=3x function

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