# Quiz 12: Linear Functions and Graphs

Business

Q 1Q 1

y = 6x + 3 is an example of what type of function?
A) Constant function
B) Linear function
C) Quadratic function
D) Cubic function

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Multiple Choice

B

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Multiple Choice

19

Q 3Q 3

What name is given to the point at which a straight line crosses the vertical axis?
A) Y-intercept
B) X-intercept
C) Origin
D) Gradient

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Multiple Choice

A

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Multiple Choice

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Multiple Choice

Q 6Q 6

What name is given to the slope of a linear function?
A) Y-intercept
B) X-intercept
C) Origin
D) Gradient

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Multiple Choice

Q 7Q 7

The points (2, 4) and (5, 16) both lie on the same straight-line graph. Find the value for the gradient.
A) 12
B) 3
C) 0.25
D) 2

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Multiple Choice

Q 8Q 8

The gradient of a straight-line graph is -2. You know that the graph goes through the point (1, -2). What is the value of the y-coordinate when x = 3?
A) 2
B) 0
C) -4
D) -6

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Multiple Choice

Q 9Q 9

A straight line goes through the points (2, 6) and (4, 10). Determine the equation of the graph.
A) y = 2x + 2
B) y = 2x + 4
C) y = 3x + 2
D) y = 3x + 4

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Multiple Choice

Q 10Q 10

Determine the equation of the straight line that goes through the points (2, 8) and (6, 10).
A) y = 2x + 5
B) y = 2x + 7
C) y = 0.5x + 5
D) y = 0.5x + 7

Free

Multiple Choice