Quiz about Applying Linear Functions

Question 1

The distance that an automobile travels varies directly as the time it travels. If the car travels 280 miles in 7 hours, how far will it travel in 12 hours?

Accepted Answer

480

Answer

1960

Answer

84

Answer

25

Question 2

The graphs of linear functions f(x) and g(x) are shown on the grid. Which function is best represented by the graph of g(x) ?

Accepted Answer

$$g\left(x\right)=3f\left(x\right)$$

Answer

$$g\left(x\right)=f\left(x\right)+4$$

Answer

$$g\left(x\right)=f\left(x\right)+5$$

Answer

$$g\left(x\right)=\frac{1}{3}f\left(x\right)$$

Question 3

If y varies directly as x and y = 18 when x = 3, Find y when x = 7.

Accepted Answer

42

Answer

16

Answer

34

Answer

49

Question 4

Slopes of parallel lines are...

Accepted Answer

the same

Answer

opposite reciprocals

Answer

opposites

Answer

always 7

Question 5

The diagram shows a linear function of g. What is the value of k.

Accepted Answer

5

Answer

4

Answer

7

Answer

8

Question 6

A holiday meal costs $12.50 a person plus a delivery fee of $30.

Accepted Answer

30 + 12.5x

Answer

12.5 + 30

Answer

12.5 + 30x

Question 7

Slopes of perpendicular lines are...

Accepted Answer

opposite reciprocals

Answer

the same

Answer

opposite

Answer

always 7

Question 8

Write an equation of a line that passes through the point (-9,2) and is perpendicular to the line y = 3x - 12

Accepted Answer

y = (-1/3)x - 1

Answer

y = (1/3)x - 2

Answer

y = -3x + 12

Answer

y = 3x - 1

Question 9

Write an equation in slope intercept form that is parallel to y = 2x + 3 and passes through the point (3, -4).

Accepted Answer

y = 2x -10

Answer

y = 2x + 10

Answer

y = -2x -10

Answer

y= -2x - 2

Question 10

Are these lines perpendicular?
y = (1/2)x + 2
y = -2x + 13

Accepted Answer

YES

Answer

NO

Question 11

What does the equation $$g\left(x\right)\ =\ f\left(x\right)-4\ $$ do to the graph of f(x)?

Accepted Answer

Shifts the graph down four units

Answer

Shifts the graph left four units

Answer

Shifts the graph right four units

Answer

Shifts the graph up four units

Question 12

The linear parent function, f(x) = x, is transformed to g(x) = f(x - 6). Describe the transformation.

Accepted Answer

g(x) is shifted right 6 units

Answer

g(x) is shifted up 6 units

Answer

g(x) is shifted down 6 units

Answer

g(x) is shifted left 6 units

Question 13

The linear parent function, f(x) = x, is transformed to g(x) = f(x + 3). Describe the transformation.

Accepted Answer

g(x) is shifted left 3 units

Answer

g(x) is shifted up 3 units

Answer

g(x) is shifted down 3 units

Answer

g(x) is shifted right 3 units

Question 14

What is the name of the function that represents a straight line on the coordinate plane?

Accepted Answer

Linear Function

Answer

Continuous Function

Answer

Non-linear Function

Answer

Discrete Function

Question 15

Hannah is trying to model the cost of a taxi ride using a linear equation. In which form is the equation written as y = mx + b?

Accepted Answer

Slope-intercept form

Answer

Quadratic form

Answer

Exponential form

Answer

Logarithmic form

Question 16

David is analyzing the sales data of his lemonade stand. On the graph, what does the y-intercept represent?

Accepted Answer

The point where the sales graph intersects the y-axis.

Answer

The point where the sales graph intersects the x-axis.

Answer

The slope of the sales graph.

Answer

The highest sales point on the graph.

Question 17

Which equation represents a linear equation?

Accepted Answer

y = 2x + 7

Answer

$$y\ =\ 2x^2$$

Answer

$$y\ =\ 2^x$$

Answer

$$y\ =\ \frac{2}{x}$$

Question 18

Linear function t has an y-intercept of 5. Which graph best represents t?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Applying Linear Functions

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics