3
Answer: CSet 5: Linear Functions (Intermediate)
Explanation
PROBLEM
What is the y-intercept of y = 4x - 12?
What is the y-intercept of y = 4x - 12?
A.
4
B.
12
C.✓ Correct
-12
D.
-4
Detailed Explanation
Choice C is the best answer. In y = mx + b, b = -12
Why others are wrong:
A: 4 is incorrect because it does not satisfy the equation.
B: 12 is incorrect because it does not satisfy the equation.
D: -4 is incorrect because it does not satisfy the equation.