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Lesson (A)
1. y = x + 3 2. y = 3x + 9 3. y = x + 7
x-intercept: x-intercept: x-intercept:
y-intercept: y-intercept: y-intercept:
x-intercept is: x-intercept is: x-intercept is:
y-intercept is: y-intercept is: y-intercept is:
Lesson (B)
1. y = 2x - 4 2. y = 2x + 4 3. y = x + 1
x-intercept: x-intercept: x-intercept:
y-intercept: y-intercept: y-intercept:
x-intercept is: x-intercept is: x-intercept is:
y-intercept is: y-intercept is: y-intercept is:
Lesson (C)
1. y = x + 5 2. y = 3x + 12 3. y = 4x + 8
x-intercept: x-intercept: x-intercept:
y-intercept: y-intercept: y-intercept:
x-intercept is: x-intercept is: x-intercept is:
y-intercept is: y-intercept is: y-intercept is:
0 = x + 3
-3 -3
-3 = x
(-3, 0)
y = 0 + 3
y = 3
(0, 3)
0 = 3x + 9
-9 -9
-9 = 3x
3 3
-3 = x
y = 3(0) + 9
y = 9
(-3, 0)
(-7, 0)
(0, 9)
(0, 7)
0 = x + 7
-7 -7
-7 = x
y = 0 + 7
y = 7
0 = 2x - 4
+4 +4
4 = 2x
2 2
0 = 2x +4
-4 -4
-4 = 2x
2 2
-2 = x
0 = x + 1
-1 -1
-1 = x
y = 2(0) - 4
y = -4
y = 2(0) + 4
y = 4
y = (0) + 1
y = 1
(2, 0)
(0, -4)
(-2, 0)
(-1, 0)
(0, 4)
(0,1)
2 = x
0 = x + 5
-5 -5
-5 = x
y = 0 + 5
y = 5
y = 3(0) + 12
y = 12
y = 4(0) + 8
y = 8
0 = 3x + 12
-12 -12
-12 = 3x
3 3
- 4 = x
0 = 4x + 8
-8 -8
-8 = 4x
4 4
-2 = x
(-5, 0)
(-4, 0)
(-2, 0)
(0, 5)
(0, 12)
(0, 8)
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Math: Intercepts - Lessons Answer Key
