If the graph of y = mx + b passes through quadrants I, III, and IV on a coordinate plane, which of the following must be true about m and b?
A. m < 0, b < 0
B. m < 0, b > 0
C. m > 0, b < 0
D. m > 0, b > 0
Answer:C
If the graph of y = mx + b passes through quadrants I, III, and IV on a coordinate plane, which of the following must be true about m and b?
A. m < 0, b < 0 B. m < 0, b > 0 C. m > 0, b < 0 D. m > 0, b > 0
Explanation: C