Think you’ve got your head wrapped around Functions? Put your knowledge to
the test. Good luck — the Stickman is counting on you!
Q. Which of the following is NOT a linear equation?
x = 4
y = -2
x + y = 3x – 6y + x
x + y = 2 –xy
y – 3 = -2
Q. Which of the following is a linear function?
f(x)
g(x)
h(x)
u(x)
None of them.
Q. Which equation does NOT produce a linear function?
x = 1
y = 1
y = x
y = 3x + 2
y = 14x
Q. Which statement about the following graph is true?
The x-intercept is 3 and the y-intercept is -2.
The x-intercept is -2 and the y-intercept is 3.
The point (-2, 0) is on the line.
The point (0, 3) is on the line.
This graph has a real attitude problem.
Q. Which of the following graphs could have an x-intercept of 4 and a y-intercept of -4?
L1
L2
L3
L4
None of them.
Q. Find the slope of the line shown below
1
![](https://media1.shmoop.com/images/algebra/alg_fn_quiz_2_latek_1.png)
3
![](https://media1.shmoop.com/images/algebra/alg_fn_quiz_2_latek_2.png)
2
Q. Which of the following statements is true?
The slope of a vertical line is undefined.
The slope of a horizontal line is undefined.
The slope of a line that slants upward to the right is negative.
The slope of a line that slants upward to the left is positive.
The slope of a line that zig-zags back and forth is not worth figuring out.
Q. The equation 2x – 2y = 8 could describe which graph?
L1
L2
L3
L4
None of them.
Q. Find the equation of the line in slope-intercept form.
![](https://media1.shmoop.com/images/algebra/alg_fn_quiz_2_latek_3.png)
![](https://media1.shmoop.com/images/algebra/alg_fn_quiz_2_latek_4.png)
![](https://media1.shmoop.com/images/algebra/alg_fn_quiz_2_latek_5.png)
![](https://media1.shmoop.com/images/algebra/alg_fn_quiz_2_latek_6.png)
![](https://media1.shmoop.com/images/algebra/alg_fn_quiz_2_latek_7.png)
Q. Find the equation of the line in point-slope form.
![](https://media1.shmoop.com/images/algebra/alg_fn_quiz_2_latek_8.png)
![](https://media1.shmoop.com/images/algebra/alg_fn_quiz_2_latek_9.png)
![](https://media1.shmoop.com/images/algebra/alg_fn_quiz_2_latek_10.png)
![](https://media1.shmoop.com/images/algebra/alg_fn_quiz_2_latek_11.png)
![](https://media1.shmoop.com/images/algebra/alg_fn_quiz_2_latek_11a.png)