X INTERCEPT
Question: What is the x intercept in the equation 3x + 2y = 12?
A. 8
B. 5
C. 12
D. 4
Rule: To find the x intercept, substitute in 0 for y and solve for x.
Solution:
3x + 2y = 12
3x + 2(0) = 12
3x + 0 = 12
3x = 12
x = 12/3
x = 4
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