3
Answer: CSet 2: Linear Functions (Intermediate)
Explanation
PROBLEM
What is the y-intercept of y = -3x + 9?
What is the y-intercept of y = -3x + 9?
A.
-3
B.
-9
C.✓ Correct
9
D.
3
Detailed Explanation
Choice C is the best answer. In y = mx + b, b = 9
Why others are wrong:
A: -3 is incorrect because it does not satisfy the equation.
B: -9 is incorrect because it does not satisfy the equation.
D: 3 is incorrect because it does not satisfy the equation.