FIND Y-INTERCEPT FROM THE EQUATION OF LINE WORKSHEET

Write down where each of these lines cross the y – axis [y –intercept]

Problem 1 :

y = 2x + 3

Solution

Problem 2 :

y = 7x + 1

Solution

Problem 3 :

y = 3x - 2

Solution

Problem 4 :

y = x - 5

Solution

Problem 5 :

y = 2x

Solution

Problem 6 :

y = -4x + 6

Solution

Problem 7 :

y = -5x - 3

Solution

Problem 8 :

y = -3x

Solution

Problem 9 :

y = (4/3)x + 2/5

Solution

Problem 10 :

y = (-2/3)x – 1/2

Solution

Answer Key

1)  y – intercept is (0, 3)

2)  y – intercept is (0, 1)

3)  y – intercept is (0, -2)

4)  y – intercept is (0, -5)

5)  y – intercept is (0, 0)

6)  y – intercept is (0, 6)

7)  y – intercept is (0, -3).

8)  y – intercept is (0, 0).

9)  y – intercept is (0, 2/5).

10)  y – intercept is (0, -1/2)

Find slope and y intercept of the line given below.

Problem 1 :

x + 4y = 8

Solution

Problem 2 :

2x - 6y = -12

Solution

Problem 3 :

y = - 2

Solution

Problem 4 :     

5x - y = 3

Solution

Problem 5 :

-5x + 10y = 20

Solution

Problem 6 :

-x - y = 6

Solution

Problem 7 :

2.5x - 5y = - 15

Solution

Problem 8 :

x = - 5/2

Solution

Answer Key

1)  Slope (m) = -1/2 and y-intercept (b) = 2

2)  Slope (m) = 1/3 and y-intercept (b) = 2

3)  Slope (m) = 0 and y-intercept (b) = - 2

4)  Slope (m) = 5 and y-intercept (b) = - 3

5)  Slope (m) = 1/2 and y-intercept (b) = 2

6)  Slope (m) = - 1 and y-intercept (b) = - 6

7)  Slope (m) = 0.5 and y-intercept (b) = 3

8) no y-intercept and the slope is undefined.

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