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Linear and nonlinear functions

Quiz by Sarah Griffin

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Q 1/8
Score 0
Which of the following equations represents a linear function?
29
$y = \frac{1}{x} + 4$
$y = 2x + 3$
$y = \sqrt{x} + 3$
$y = x^2 + 1$

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8 questions

Show answers

Q1
Which of the following equations represents a linear function?
$y = \frac{1}{x} + 4$
$y = 2x + 3$
$y = \sqrt{x} + 3$
$y = x^2 + 1$
30s
Q2
Which of the following is an example of a nonlinear function?
$f(x) = -3x + 7$
$f(x) = x^3 - 4x$
$f(x) = \frac{1}{2}x + 9$
$f(x) = 5x + 2$
30s
Q3
Which equation is NOT a characteristic of a linear function?
$y = -2x + 4$
$y = x^2 + 2x + 1$
$y = \frac{1}{3}x + 7$
$y = 3x - 5$
30s
Q4
Which of the following expressions defines a nonlinear function?
$f(x) = -x + 6$
$f(x) = \frac{1}{x} + 3$
$f(x) = 2x + 5$
$f(x) = 4x$
30s
Q5
What characterizes a linear function in an equation?
The equation has multiple variables.
The equation includes $x^2$ .
The graph of the function is a curve.
The highest power of the variable is 1.
30s
Q6
Which of the following functions is nonlinear?
$f(x) = 7x - 5$
$f(x) = 3x^2 - 2x + 1$
$f(x) = -x + 6$
$f(x) = \frac{2}{3}x + 4$
30s
Q7
Which of the following is a linear function?
y = 1/x
y = 3^x
y = 2x + 3
y = x^2 + 3
30s
Q8
Which table of values represents a linear function?
x: 1, 2, 3 | y: 2, 8, 18
x: 1, 2, 3 | y: 4, 6, 8
x: 1, 2, 3 | y: 1, 4, 9
x: 1, 2, 3 | y: 2, 4, 7
30s

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