 Linear & non-Linear Function Practice Terms of Use    Contact Person: Donna Roberts  1.
Which of the following equations in NOT linear?
Choose:
 y = 3x + 5 x + y = 20 y = x2 ½ x + ¼ y = ¾ 2.
The points (-1,-2) and (5,4) lie on the graph of a linear function. Which point also lies on the graph of this function?

Choose:
 (3,3) (-2,-4) (2,1) (-4,-6) 3.
Which of the following equations can represent linear functions?
Choose all that apply. Then hit "Submit".

 y = 3x x = y + 2 x = 4 y = -2 x = 5y 4.
Which table of values represents a linear function?

Choose:
 x y 0 0 1 1 3 2 6 3
 x y 0 0 1 2 3 4 6 6

 x y 0 0 1 2 3 6 6 12
 x y 0 0 1 1 3 9 6 36

5.
Which of the following equations are linear equations?

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 A = πr2 C = 2πr f = 5,280m   6.
Which of the following four functions is (are) linear functions?
Function A:     y = x2 - 2
Function B:     y = 2x
Function C:     y =4x3
Function D:     x = 0

Choose:
 All four are linear functions. Function B and D are linear. Only function D is a linear function. None of the four are linear functions. 7.
Which of the following equations represent non-linear functions that define y in terms of x?

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 y = 4x2 y = 5x - 2 y = 4.2x y = 3x + 62 y = 2x3 + 4 y = ¼ x 8.
Which of the following statements is true regarding the function equation   y = x2 + 4 ?
Choose:
 The function is linear since it contains two variables. The function is linear since the variable x is being squared. The function is non-line since the variable x is being squared. The function is non-linear since it contains two variables.

9.
Does the equation
y - 2 = ½(x - 3)
define y as a linear function of x?

Choose:
 Yes No 10.
The table shown at the right represents a linear function.

Choose:
 True False  