Asked by chelsea
Which of the following represents a direct variation function?
The answer coices are
A)d=2r
B)y=9x+1
C)y=-3
D)a=1/2h(b1+b2)
The answer coices are
A)d=2r
B)y=9x+1
C)y=-3
D)a=1/2h(b1+b2)
Answers
Answered by
MathMate
A direct variation should
1. be a <i>linear</i> function of <i>one</i> variable
2. passes through the origin (0,0), i.e. if the independent variable is set to zero, the dependent variable should also be zero.
If you examine the four choices according to the above criteria, you will be able to eliminate all but the required function.
1. be a <i>linear</i> function of <i>one</i> variable
2. passes through the origin (0,0), i.e. if the independent variable is set to zero, the dependent variable should also be zero.
If you examine the four choices according to the above criteria, you will be able to eliminate all but the required function.
Answered by
zymetriea
-4 + 7x + 4 = 3y
Answered by
Jjh
Jjlmh
K
K
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