Skills · Linear Equations · Graphing Linear Equations

Finding slope and the y-intercept

Printable practice with an answer key the engine computes, at three levels, in as many versions as you need.

Problem types

• the y-intercept from the slope and a point: Find the y-intercept of the line with slope 3 through (2, 5).
• the slope from standard form: Find the slope of 6x + 2y = 10.
• the y-intercept from standard form: Find the y-intercept of 6x + 2y = 10.
• the y-intercept from a graph, off the grid: a line through (−4, 1) and (−2, 5), crossing the y-axis above the grid

Sample Sheet · Level 1

1. Find the y-intercept of the line with slope 4 through (2, 9).
2. Find the slope of 15x + 3y = 21.
3. Find the slope of 6x + 2y = 12.
4. 
   Find the y-intercept of the line.
5. Find the y-intercept of 10x + 2y = 4.
6. Find the y-intercept of 12x + 3y = 27.
7. 
   Find the y-intercept of the line.
8. Find the y-intercept of the line with slope 3 through (6, 3).

Answer key

1. (0, 1)
2. −5
3. −3
4. (0, −9)
5. (0, 2)
6. (0, 9)
7. (0, 7)
8. (0, −15)

Sample Sheet · Level 3

1. Find the y-intercept of 25x − 5y = −20.
2. Find the slope of −18x + 3y = 9.
3. 
   Find the y-intercept of the line.
4. 
   Find the y-intercept of the line.
5. Find the y-intercept of the line with slope 32 through (2, 4).
6. Find the slope of 6x − 2y = −18.
7. Find the y-intercept of 10x + 2y = −22.
8. Find the y-intercept of the line with slope −4 through (7, −6).

Answer key

1. (0, 4)
2. 6
3. (0, −13)
4. (0, 7)
5. (0, 1)
6. 3
7. (0, −11)
8. (0, 22)

Make your own

Pick the count, the level and the version, and print it with work space and the key on its own page. The same skill also makes an I Do, We Do, You Do lesson, a Mosaic, a Decoder and more.

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